344 3Com® VCX V7111 VoIP Gateway User GuideNetwork Port UsageThe following table lists the default TCP/UDP network port numbers used by the V7111gateway. Where relevant, the table lists the ini file parameters that control the port usage andprovide source IP address filtering capabilities.Table 96 Default TCP/UDP Network Port NumbersPort Number Peer Port Application Notes2 2 Debugging interface Always ignored23 - TelnetDisabled by default (TelnetServerEnable).Configurable (TelnetServerPort), accesscontrolled by WebAccessList68 67 DHCP Active only if DHCPEnable = 180 - Web server (HTTP)Configurable (HTTPPort), can be disabled(DisableWebTask or HTTPSOnly). Accesscontrolled by WebAccessList161 - SNMP GET/SETConfigurable (SNMPPort), can be disabled(DisableSNMP). Access controlled bySNMPTrustedMGR443 - Web server (HTTPS)Configurable (HTTPSPort), can be disabled(DisableWebTask). Access controlled byWebAccessList500 - IPSec IKE Can be disabled (EnableIPSec)6000, 6010 and up - RTP trafficBase port number configurable(BaseUDPPort), fixed increments of 10. Thenumber of ports used depends on thechannel capacity of the device.6001, 6011 and up - RTCP traffic Always adjacent to the RTP port number6002, 6012 and up - T.38 traffic Always adjacent to the RTCP port number5060 5060 SIP Configurable (LocalSIPPort [UDP],TCPLocalSIPPort [TCP]).5061 5061 SIP over TLS (SIPS) Configurable (TLSLocalSIPPort)(random) > 32767 514 Syslog Disabled by default (EnableSyslog).(random) > 32767 - Syslog ICMP Disabled by default (EnableSyslog).(random) > 32767 - ARP listener(random) > 32767 162 SNMP Traps Can be disabled (DisableSNMP)(random) > 32767 - DNS client