Firewalld services

Information from firewalld service files (located at /usr/lib/firewalld/services/), with port information cross-referenced with /etc/services


Amanda Backup Client

The Amanda backup client option allows you to connect to a Amanda backup and archiving server. You need the amanda-client package installed for this option to be useful.

Required module: nf_conntrack_amanda

Port Protocol Service Info
10080 udp amanda backup services amanda
10080 tcp amanda backup services amanda

Amanda Backup Client (kerberized)

The Amanda backup client option allows you to connect to a Amanda backup and archiving server. You need the amanda-client package installed for this option to be useful. This service specifically allows krb5 authentication

Required module: nf_conntrack_amanda

Port Protocol Service Info
10082 tcp amanda backup services amandaidx

Bacula

Bacula is a network backup solution. Enable this option, if you plan to provide Bacula backup, file and storage services.

Port Protocol Service Info
9101 tcp Bacula Director bacula-dir
9102 tcp Bacula File Daemon bacula-fd
9103 tcp Bacula Storage Daemon bacula-sd

Bacula Client

This option allows a Bacula server to connect to the local machine to schedule backups. You need the bacula-client package installed for this option to be useful.

Port Protocol Service Info
9102 tcp Bacula File Daemon bacula-fd

Bitcoin

The default port used by Bitcoin. Enable this option if you plan to be a full Bitcoin node.

Port Protocol Service Info
8333 tcp  

Bitcoin RPC

Enable this option if you need access to the Bitcoin RPC interface. This is not required when connecting on localhost.

Port Protocol Service Info
8332 tcp  

Bitcoin testnet

The default port used by Bitcoin testnet. Enable this option if you plan to be a Bitcoin full node on the test network.

Port Protocol Service Info
18333 tcp  

Bitcoin testnet RPC

Enable this option if you need access to the Bitcoin RPC interface running on the testnet. This is not required when connecting on localhost.

Port Protocol Service Info
18332 tcp  

ceph

Ceph is a distributed object store and file system. Enable this option to support Ceph’s Object Storage Daemons (OSD) or Metadata Server Daemons (MDS).

Port Protocol Service Info
6800-7300 tcp  

ceph-mon

Ceph is a distributed object store and file system. Enable this option to support Ceph’s Monitor Daemon.

Port Protocol Service Info
3300 tcp  
6789 tcp SMC-HTTPS smc-https

CFEngine

CFEngine server

Port Protocol Service Info
5308 tcp CFengine cfengine

Cockpit

Cockpit lets you access and configure your server remotely.

Port Protocol Service Info
9090 tcp WebSM websm

HT Condor Collector

The HT Condor Collector is needed to organize the condor worker nodes.

Port Protocol Service Info
9618 tcp Condor Collector Service condor

CTDB

CTDB is a cluster implementation of the TDB database used by Samba and other projects to store temporary data.

Port Protocol Service Info
4379 tcp CTDB ctdb
4379 udp CTDB ctdb

DHCP

This allows a DHCP server to accept messages from DHCP clients and relay agents.

Port Protocol Service Info
67 udp bootps

DHCPv6

This allows a DHCPv6 server to accept messages from DHCPv6 clients and relay agents.

Port Protocol Service Info
547 udp dhcpv6-server

DHCPv6 Client

This option allows a DHCP for IPv6 (DHCPv6) client to obtain addresses and other IPv6 settings from DHCPv6 server.

Destination:

Port Protocol Service Info
546 udp dhcpv6-client

DNS

The Domain Name System (DNS) is used to provide and request host and domain names. Enable this option, if you plan to provide a domain name service (e.g. with bind).

Port Protocol Service Info
53 tcp name-domain server domain
53 udp domain

Docker Registry

Docker Registry is the protocol used to serve Docker images. If you plan to make your Docker Registry server publicly available, enable this option. This option is not required for developing Docker images locally.

Port Protocol Service Info
5000 tcp commplex-main

dropboxlansync

Dropbox LAN sync

Port Protocol Service Info
17500 udp Dropbox LanSync Discovery db-lsp-disc
17500 tcp Dropbox LanSync Protocol db-lsp

Elasticsearch

Elasticsearch is a distributed, open source search and analytics engine, designed for horizontal scalability, reliability, and easy management.

Port Protocol Service Info
9300 tcp Virtual Racing Service vrace
9200 tcp WAP connectionless session service wap-wsp

FreeIPA with LDAP

FreeIPA is an LDAP and Kerberos domain controller for Linux systems. Enable this option if you plan to provide a FreeIPA Domain Controller using the LDAP protocol. You can also enable the ‘freeipa-ldaps’ service if you want to provide the LDAPS protocol. Enable the ‘dns’ service if this FreeIPA server provides DNS services and ‘freeipa-replication’ service if this FreeIPA server is part of a multi-master replication setup.

Port Protocol Service Info
80 tcp WorldWideWeb HTTP http www www-http
443 tcp http protocol over TLS/SSL https
88 tcp Kerberos v5 kerberos kerberos5 krb5
88 udp Kerberos v5 kerberos kerberos5 krb5
464 tcp Kerberos “passwd” kpasswd kpwd
464 udp Kerberos “passwd” kpasswd kpwd
123 udp Network Time Protocol ntp
389 tcp ldap

FreeIPA with LDAPS

FreeIPA is an LDAP and Kerberos domain controller for Linux systems. Enable this option if you plan to provide a FreeIPA Domain Controller using the LDAPS protocol. You can also enable the ‘freeipa-ldap’ service if you want to provide the LDAP protocol. Enable the ‘dns’ service if this FreeIPA server provides DNS services and ‘freeipa-replication’ service if this FreeIPA server is part of a multi-master replication setup.

Port Protocol Service Info
80 tcp WorldWideWeb HTTP http www www-http
443 tcp http protocol over TLS/SSL https
88 tcp Kerberos v5 kerberos kerberos5 krb5
88 udp Kerberos v5 kerberos kerberos5 krb5
464 tcp Kerberos “passwd” kpasswd kpwd
464 udp Kerberos “passwd” kpasswd kpwd
123 udp Network Time Protocol ntp
636 tcp LDAP over SSL ldaps

FreeIPA replication

FreeIPA is an LDAP and Kerberos domain controller for Linux systems. Enable this option if you want to enable LDAP replication between FreeIPA servers.

Port Protocol Service Info
7389 tcp  

FreeIPA trust setup

FreeIPA is an LDAP and Kerberos domain controller for Linux systems. Enable this option of you plan to deploy cross-forest trusts with FreeIPA and Active Directory

Port Protocol Service Info
135 tcp DCE endpoint resolution epmap
138-139 tcp NETBIOS Datagram Service netbios-dgm
138-139 udp netbios-dgm
389 tcp ldap
389 udp ldap
445 tcp microsoft-ds
445 udp microsoft-ds
1024-1300 tcp  
3268 tcp Microsoft Global Catalog msft-gc

FTP

FTP is a protocol used for remote file transfer. If you plan to make your FTP server publicly available, enable this option. You need the vsftpd package installed for this option to be useful.

Required module: nf_conntrack_ftp

Port Protocol Service Info
21 tcp ftp

ganglia-client

Ganglia monitoring daemon

Port Protocol Service Info
8660 tcp  

ganglia-master

Ganglia collector

Port Protocol Service Info
8651 tcp  

Red Hat High Availability

This allows you to use the Red Hat High Availability (previously named Red Hat Cluster Suite). Ports are opened for corosync, pcsd, pacemaker_remote, dlm and corosync-qnetd.

Port Protocol Service Info
2224 tcp Easy Flexible Internet/Multiplayer Games efi-mg
3121 tcp pacemaker remote service pcmk-remote
5403 tcp HPOMS-CI-LSTN hpoms-ci-lstn
5404 udp HPOMS-DPS-LSTN hpoms-dps-lstn
5405 udp NetSupport netsupport
21064 tcp  

WWW (HTTP)

HTTP is the protocol used to serve Web pages. If you plan to make your Web server publicly available, enable this option. This option is not required for viewing pages locally or developing Web pages.

Port Protocol Service Info
80 tcp WorldWideWeb HTTP http www www-http

Secure WWW (HTTPS)

HTTPS is a modified HTTP used to serve Web pages when security is important. Examples are sites that require logins like stores or web mail. This option is not required for viewing pages locally or developing Web pages. You need the httpd package installed for this option to be useful.

Port Protocol Service Info
443 tcp http protocol over TLS/SSL https

IMAP

The Internet Message Access Protocol(IMAP) allows a local client to access email on a remote server. If you plan to provide a IMAP service (e.g. with dovecot), enable this option.

Port Protocol Service Info
143 tcp Interim Mail Access Proto v2 imap imap2

IMAP over SSL

The Internet Message Access Protocol over SSL (IMAPs) allows a local client to access email on a remote server in a secure way. If you plan to provide a IMAP over SSL service (e.g. with dovecot), enable this option.

Port Protocol Service Info
993 tcp IMAP over SSL imaps

Network Printing Server (IPP)

The Internet Printing Protocol (IPP) is used for distributed printing. IPP (over tcp) provides the ability to share printers over the network. Enable this option if you plan to share printers via cups over the network.

Port Protocol Service Info
631 tcp Internet Printing Protocol ipp
631 udp Internet Printing Protocol ipp

Network Printing Client (IPP)

The Internet Printing Protocol (IPP) is used for distributed printing. IPP (over udp) provides the ability to get information about a printer (e.g. capability and status) and to control printer jobs. If you plan to use a remote network printer via cups, do not disable this option.

Port Protocol Service Info
631 udp Internet Printing Protocol ipp

IPsec

Internet Protocol Security (IPsec) incorporates security for network transmissions directly into the Internet Protocol (IP). IPsec provides methods for both encrypting data and authentication for the host or network it sends to. If you plan to use a vpnc server or FreeS/WAN, do not disable this option.

Port Protocol Service Info
  ah  
  esp  
500 udp isakmp
4500 udp IPsec NAT-Traversal ipsec-nat-t

iSCSI target

Internet SCSI target is a storage resource located on an iSCSI server.

Port Protocol Service Info
3260 tcp iSCSI port iscsi-target
3260 udp iSCSI port iscsi-target

kadmin

Kerberos Administration Protocol

Port Protocol Service Info
749 tcp Kerberos kadmin' (v5) kerberos-adm `

KDE Connect

KDE Connect allows intercommunicating with mobile devices to receive messages and notifications.

Port Protocol Service Info
1714-1764 tcp sesi-lm sesi-lm
1714-1764 udp sesi-lm sesi-lm

Kerberos

Kerberos network authentication protocol server

Port Protocol Service Info
88 tcp Kerberos v5 kerberos kerberos5 krb5
88 udp Kerberos v5 kerberos kerberos5 krb5

Kibana

Kibana is an open source data visualization platform that allows you to interact with your data through stunning, powerful graphics that can be combined into custom dashboards that help you share insights from your data far and wide.

Port Protocol Service Info
5601 tcp Enterprise Security Agent esmagent

klogin

The kerberized rlogin server accepts BSD-style rlogin sessions, but uses Kerberos 5 authentication.

Port Protocol Service Info
543 tcp Kerberized rlogin' (v5) klogin `

Kpasswd

Kerberos password (Kpasswd) server

Port Protocol Service Info
464 tcp Kerberos “passwd” kpasswd kpwd
464 udp Kerberos “passwd” kpasswd kpwd

kshell

Kerberized rshell server accepts rshell commands authenticated and encrypted with Kerberos 5

Port Protocol Service Info
544 tcp Kerberized rsh' (v5) kshell krcmd`

LDAP

Lightweight Directory Access Protocol (LDAP) server

Port Protocol Service Info
389 tcp ldap

LDAPS

Lightweight Directory Access Protocol (LDAP) over Secure Sockets Layer (SSL) server

Port Protocol Service Info
636 tcp LDAP over SSL ldaps

Virtual Machine Management

Enable this option if you want to allow remote virtual machine management with SASL authentication and encryption (digest-md5 passwords or GSSAPI/Kerberos). The libvirtd service is needed for this option to be useful.

Port Protocol Service Info
16509 tcp  

Virtual Machine Management (TLS)

Enable this option if you want to allow remote virtual machine management with TLS encryption, x509 certificates and optional SASL authentication. The libvirtd service is needed for this option to be useful.

Port Protocol Service Info
16514 tcp  

ManageSieve

The ManageSieve Protocol allows a local client to manage eMail sieve scripts on a remote server. If you plan to provide a ManageSieve service (e.g. with dovecot pigeonhole), enable this option.

Port Protocol Service Info
4190 tcp ManageSieve Protocol sieve

Multicast DNS (mDNS)

mDNS provides the ability to use DNS programming interfaces, packet formats and operating semantics in a small network without a conventional DNS server. If you plan to use Avahi, do not disable this option.

Destination:

Port Protocol Service Info
5353 udp Multicast DNS mdns

Mobile shell that supports roaming and intelligent local echo.

Mosh is a remote terminal application that supports intermittent network connectivity, roaming to different IP address without dropping the connection, intelligent local echo and line editing to reduct the effects of “network lag” on high-latency connections.

Port Protocol Service Info
60000-61000 udp  

mountd

NFS Mount Lock Daemon

Port Protocol Service Info
20048 tcp NFS mount protocol mountd
20048 udp NFS mount protocol mountd

ms-wbt

Microsoft Windows-based Terminal Server

Port Protocol Service Info
3389 tcp MS WBT Server ms-wbt-server

mssql

Microsoft SQL Server

Port Protocol Service Info
1433 tcp Microsoft-SQL-Server ms-sql-s

MySQL

MySQL Database Server

Port Protocol Service Info
3306 tcp MySQL mysql

NFS4

The NFS4 protocol is used to share files via TCP networking. You will need to have the NFS tools installed and properly configure your NFS server for this option to be useful.

Port Protocol Service Info
2049 tcp Network File System nfs nfsd shilp

NRPE

NRPE allows you to execute Nagios plugins on a remote host in as transparent a manner as possible.

Port Protocol Service Info
5666 tcp  

Network Time Protocol (NTP) Server

The Network Time Protocol (NTP) allows to synchronize computers to a time server. Enable this option, if you are providing a NTP server. You need the ntp or chrony package installed for this option to be useful.

Port Protocol Service Info
123 udp Network Time Protocol ntp

OpenVPN

OpenVPN is a virtual private network (VPN) solution. It is used to create encrypted point-to-point tunnels between computers. If you plan to provide a VPN service, enable this option.

Port Protocol Service Info
1194 udp OpenVPN openvpn

oVirt Image I/O

oVirt Image I/O simplifies the workflow of introducing new oVirt images into the oVirt environment.

Port Protocol Service Info
54322 tcp  

oVirt Storage-Console

oVirt Storage Console is a web-based storage management platform specially designed to efficiently manage oVirt’s storage-defined storage.

Port Protocol Service Info
55863 tcp  
39543 tcp  

oVirt VM Console

oVirt VM Consoles enables secure access to virtual machine serial console.

Port Protocol Service Info
2223 tcp Rockwell CSP2 rockwell-csp2

Performance metrics collector (pmcd)

This option allows PCP (Performance Co-Pilot) monitoring. If you need to allow remote hosts to connect directly to your machine to monitor aspects of its performance, enable this option. You need the pcp package installed for this option to be useful.

Port Protocol Service Info
44321 tcp PCP server (pmcd) pmcd

Performance metrics proxy (pmproxy)

This option allows indirect PCP (Performance Co-Pilot) monitoring via a proxy. If you need to allow remote hosts to connect through your machine to monitor aspects of performance of one or more proxied hosts, enable this option. You need the pcp package installed for this option to be useful.

Port Protocol Service Info
44322 tcp PCP server (pmcd) proxy pmcdproxy

Performance metrics web API (pmwebapi)

This option allows web clients to use PCP (Performance Co-Pilot) monitoring services. If you need to allow remote web clients to connect to your machine to monitor aspects of its performance, enable this option. You need the pcp package installed for this option to be useful.

Port Protocol Service Info
44323 tcp Performance Co-Pilot client HTTP API pmwebapi

Secure performance metrics web API (pmwebapis)

This option allows web clients to use PCP (Performance Co-Pilot) monitoring services over a secure connection. If you need to allow remote web clients to connect to your machine to monitor aspects of its performance, and you consider that information to be sensitive, enable this option. You need the pcp package installed for this option to be useful.

Port Protocol Service Info
44324 tcp  

POP-3

The Post Office Protocol version 3 (POP3) is a protocol to retrieve email from a remote server over a TCP/IP connection. Enable this option, if you plan to provide a POP3 service (e.g. with dovecot).

Port Protocol Service Info
110 tcp POP version 3 pop3 pop-3

POP-3 over SSL

The Post Office Protocol version 3 (POP3) is a protocol to retrieve email from a remote server over a TCP/IP connection. Enable this option, if you plan to provide a POP3 service (e.g. with dovecot).

Port Protocol Service Info
995 tcp POP-3 over SSL pop3s

PostgreSQL

PostgreSQL Database Server

Port Protocol Service Info
5432 tcp POSTGRES postgres postgresql

Privoxy - A Privacy Enhancing Proxy Server

Privoxy is a web proxy for enhancing privacy by filtering web page content, managing cookies, controlling access, removing ads, banners, pop-ups and other obnoxious Internet junk. It does not cache web content. Enable this if you run Privoxy and would like to configure your web browser to browse the Internet via Privoxy.

Port Protocol Service Info
8118 tcp Privoxy HTTP proxy privoxy

Proxy DHCP

PXE redirection service (Proxy DHCP) responds to PXE clients and provides redirection to PXE boot servers.

Port Protocol Service Info
4011 udp PXE server pxe altserviceboot

Precision Time Protocol (PTP) Master

The Precision Time Protocol (PTP) allows to synchronize computers to a time master. Enable this option, if you are providing a PTP master. You need the linuxptp package installed for this option to be useful.

Port Protocol Service Info
319 udp PTP Event ptp-event
320 udp PTP General ptp-general

PulseAudio

A PulseAudio server provides an ability to stream audio over network. You want to enable this service in case you are using module-native-protocol-tcp in the PulseAudio configuration. If you are using module-zeroconf-publish you want also enable mdns service.

Port Protocol Service Info
4713 tcp Pulseaudio pulseaudio

Puppet Master

Puppet is a network tool for managing many disparate systems. Puppet Master is a server which Puppet Agents pull their configurations from.

Port Protocol Service Info
8140 tcp The Puppet master service puppet

Quassel IRC

Quassel is a distributed IRC client, meaning that one or more clients can attach to and detach from the central core.

Port Protocol Service Info
4242 tcp  

RADIUS

The Remote Authentication Dial In User Service (RADIUS) is a protocol for user authentication over networks. It is mostly used for modem, DSL or wireless user authentication. If you plan to provide a RADIUS service (e.g. with freeradius), enable this option.

Port Protocol Service Info
1812 tcp Radius radius
1812 udp Radius radius
1813 tcp Radius Accounting radius-acct radacct
1813 udp Radius Accounting radius-acct radacct

Red Hat Satellite 6

Red Hat Satellite 6 is a systems management server that can be used to configure new systems, subscribe to updates, and maintain installations in distributed environments.

Port Protocol Service Info
80 tcp WorldWideWeb HTTP http www www-http
443 tcp http protocol over TLS/SSL https
5646-5647 tcp Ventureforth Mobile vfmobile
5671 tcp amqp protocol over TLS/SSL amqps
8140 tcp The Puppet master service puppet
8080 tcp WWW caching service webcache http-alt
9090 tcp WebSM websm

rpc-bind

Remote Procedure Call Bind

Port Protocol Service Info
111 tcp RPC 4.0 portmapper TCP sunrpc portmapper rpcbind
111 udp RPC 4.0 portmapper UDP sunrpc portmapper rpcbind

rsh

Rsh is a protocol for logging into remote machines. It is unencrypted, and provides little security from network snooping attacks. Enabling rsh is not recommended.

Port Protocol Service Info
514 tcp no passwords used shell cmd

Rsync in daemon mode

Rsync in daemon mode works as a central server, in order to house centralized files and keep them synchronized.

Port Protocol Service Info
873 tcp rsync rsync
873 udp rsync rsync

Samba

This option allows you to access and participate in Windows file and printer sharing networks. You need the samba package installed for this option to be useful.

Required module: nf_conntrack_netbios_ns

Port Protocol Service Info
137 udp netbios-ns
138 udp netbios-dgm
139 tcp NETBIOS session service netbios-ssn
445 tcp microsoft-ds

Samba Client

This option allows you to access Windows file and printer sharing networks. You need the samba-client package installed for this option to be useful.

Required module: nf_conntrack_netbios_ns

Port Protocol Service Info
137 udp netbios-ns
138 udp netbios-dgm

SANE network daemon (saned)

The SANE (Scanner Access Now Easy) daemon allows remote clients to access image acquisition devices available on the local host.

Required module: nf_conntrack_sane

Port Protocol Service Info
6566 tcp SANE Control Port sane-port

SIP

The Session Initiation Protocol (SIP) is a communications protocol for signaling and controlling multimedia communication sessions. The most common applications of SIP are in Internet telephony for voice and video calls, as well as instant messaging, over Internet Protocol (IP) networks.

Required module: nf_conntrack_sip

Port Protocol Service Info
5060 tcp SIP sip
5060 udp SIP sip

SIP-TLS (SIPS)

SIP-TLS is a modified SIP (Session Initiation Protocol) using TLS for secure signaling.

Port Protocol Service Info
5061 tcp SIP-TLS sips
5061 udp SIP-TLS sips

Mail (SMTP)

This option allows incoming SMTP mail delivery. If you need to allow remote hosts to connect directly to your machine to deliver mail, enable this option. You do not need to enable this if you collect your mail from your ISP’s server by POP3 or IMAP, or if you use a tool such as fetchmail. Note that an improperly configured SMTP server can allow remote machines to use your server to send spam.

Port Protocol Service Info
25 tcp smtp mail

Mail (SMTP-Submission)

SMTP-Submission allows remote users to submit mail over port 587.

Port Protocol Service Info
587 tcp mail message submission submission msa

Mail (SMTP over SSL)

This option allows incoming SMTPs mail delivery. If you need to allow remote hosts to connect directly to your machine to deliver mail in a secure way, enable this option. You do not need to enable this if you collect your mail from your ISP’s server by POP3 or IMAP, or if you use a tool such as fetchmail. Note that an improperly configured SMTP server can allow remote machines to use your server to send spam.

Port Protocol Service Info
465 tcp URL Rendesvous Directory for SSM / SMTP over SSL (TLS) urd smtps

SNMP

Simple Network Management Protocol is an “Internet-standard protocol for managing devices on IP networks”. Enable this service if you run SNMP agent (server).

Port Protocol Service Info
161 tcp Simple Net Mgmt Proto snmp
161 udp Simple Net Mgmt Proto snmp

SNMPTRAP

SNMP traps enable an agent to notify the management station of significant events by way of an unsolicited SNMP message.

Port Protocol Service Info
162 tcp SNMPTRAP snmptrap
162 udp Traps for SNMP snmptrap snmp-trap

SpiderOak LAN-Sync

SpiderOak is online backup and file hosting service that allows users to access, synchronize and share data using a cloud-based server. Enable this option if you use LAN-Sync option of SpiderOak.

Port Protocol Service Info
21327 udp  

squid

Squid HTTP proxy server

Port Protocol Service Info
3128 tcp squid web proxy squid ndl-aas

SSH

Secure Shell (SSH) is a protocol for logging into and executing commands on remote machines. It provides secure encrypted communications. If you plan on accessing your machine remotely via SSH over a firewalled interface, enable this option. You need the openssh-server package installed for this option to be useful.

Port Protocol Service Info
22 tcp The Secure Shell (SSH) Protocol ssh

Synergy

Synergy lets you easily share your mouse and keyboard between multiple computers, where each computer has its own display. No special hardware is required, all you need is a local area network. Synergy is supported on Windows, Mac OS X and Linux. Redirecting the mouse and keyboard is as simple as moving the mouse off the edge of your screen.

Port Protocol Service Info
24800 tcp  

syslog

Syslog is a client/server protocol: a logging application transmits a text message to the syslog receiver. The receiver is commonly called syslogd, syslog daemon or syslog server.

Port Protocol Service Info
514 udp syslog

syslog-tls

Syslog is a client/server protocol: a logging application transmits a text message to the syslog receiver. The receiver is commonly called syslogd, syslog daemon or syslog server. Syslog-tls uses TLS encryption to protect the messages during transport.

Port Protocol Service Info
6514 tcp Syslog over TLS syslog-tls
6514 udp Syslog over TLS syslog-tls

Telnet

Telnet is a protocol for logging into remote machines. It is unencrypted, and provides little security from network snooping attacks. Enabling telnet is not recommended. You need the telnet-server package installed for this option to be useful.

Port Protocol Service Info
23 tcp telnet

TFTP

The Trivial File Transfer Protocol (TFTP) is a protocol used to transfer files to and from a remote machine in s simple way. It is normally used only for booting diskless workstations and also to transfer data in the Preboot eXecution Environment (PXE).

Required module: nf_conntrack_tftp

Port Protocol Service Info
69 udp tftp

TFTP Client

This option allows you to access Trivial File Transfer Protocol (TFTP) servers. You need the tftp package installed for this option to be useful.

Required module: nf_conntrack_tftp


tinc VPN

tinc is a Virtual Private Network (VPN) daemon that uses tunnelling and encryption to create a secure private network between hosts on the Internet.

Port Protocol Service Info
655 tcp TINC tinc
655 udp TINC tinc

Tor - SOCKS Proxy

Tor enables online anonymity and censorship resistance by directing Internet traffic through a network of relays. It conceals user’s location from anyone conducting network surveillance and traffic analysis. A user wishing to use Tor for anonymity can configure a program such as a web browser to direct traffic to a Tor client using its SOCKS proxy port. Enable this if you run Tor and would like to configure your web browser or other programs to channel their traffic through the Tor SOCKS proxy port. It is recommended that you make this service available only for your computer or your internal networks.

Port Protocol Service Info
9050 tcp Versiera Agent Listener versiera

Transmission

Transmission is a lightweight BitTorrent client.

Port Protocol Service Info
51413 tcp  
51413 udp  

oVirt’s Virtual Desktop and Server Manager

The VDSM service is required by a Virtualization Manager to manage the Linux hosts. VDSM manages and monitors the host’s storage, memory and networks as well as virtual machine creation, other host administration tasks, statistics gathering, and log collection.

Port Protocol Service Info
54321 tcp  
5900-6923 tcp Remote Framebuffer rfb
49152-49216 tcp  

Virtual Network Computing Server (VNC)

A VNC server provides an external accessible X session. Enable this option if you plan to provide a VNC server with direct access. The access will be possible for displays :0 to :3. If you plan to provide access with SSH, do not open this option and use the via option of the VNC viewer.

Port Protocol Service Info
5900-5903 tcp Remote Framebuffer rfb

wbem-https

Web-Based Enterprise Management (WBEM) is a set of systems management technologies developed to unify the management of distributed computing environments

Port Protocol Service Info
5989 tcp WBEM CIM-XML (HTTPS) wbem-https

XMPP (Jabber) web client

Extensible Messaging and Presence Protocol (XMPP) web client protocol allows web based chat clients such as JWChat to connect to the XMPP (Jabber) server. This is also known as the Bidirectional-streams Over Synchronous HTTP (BOSH) protocol. Enable this if you run an XMPP (Jabber) server and you wish web clients to connect to your server.

Port Protocol Service Info
5280 tcp Bidirectional-streams Over Synchronous HTTP (BOSH) xmpp-bosh

XMPP (Jabber) client

Extensible Messaging and Presence Protocol (XMPP) client connection protocol allows XMPP (Jabber) clients such as Empathy, Pidgin, Kopete and Jitsi to connect to an XMPP (Jabber) server. Enable this if you run an XMPP (Jabber) server and you wish clients to be able to connect to the server and communicate with each other.

Port Protocol Service Info
5222 tcp XMPP Client Connection xmpp-client

Serverless XMPP-like communication over local networks based on zero-configuration networking.

Port Protocol Service Info
5298 tcp XMPP Link-Local Messaging presence

XMPP (Jabber) server

Extensible Messaging and Presence Protocol (XMPP) server connection protocols allows multiple XMPP (Jabber) servers to work in a federated fashion. Users on one server will be able to see the presence of and communicate with users on another servers. Enable this if you run an XMPP (Jabber) server and you wish users on your server to communicate with users on other XMPP servers.

Port Protocol Service Info
5269 tcp XMPP Server Connection xmpp-server