Cisco OL-4015-08 User Manual page 576

Services and Ports
IP Services Port Number
tcp 6
udp 17
Services That Can Be Specified in Inspection Rules
Cisco Router and Security Device Manager Version 2.2 User's Guide
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Description
Transmission Control Protocol. Connection-oriented transport layer
protocol that provides reliable full-duplex data transmission.
User Datagram Protocol. Connectionless transport layer protocol in
the TCP/IP protocol stack.
Protocol Description
cuseeme Videoconferencing protocol.
fragment Specifies that the rule perform fragment inspection.
ftp See ftp.
h323 See H.323.
http See HTTP,
icmp See icmp.
netshow NetShow. A streaming video protocol.
rcmd Remote Comman d. A protocol used when commands are
executed on a remote system by a local system.
realaudio RealAudio. A streaming audio protocol.
rpc Remote Procedure Call. RPCs are procedure calls that are built
or specified by clients and executed on servers, with the results
returned over the network to the client
rtsp Real-Time Streaming Protocol. An application-level protocol
used to control delivery of data with real-time properties.
sip Session Initiation Protocol. Sip is a telephony protocol used to
integrate telephony services and data services.
skinny A telephony protocol enabling telephony clients to be H.323
compliant.
smtp See smtp.
sqlnet Protocol for network enabled databases.
streamworks StreamWorks protocol. Streaming video protocol.
HTTPS.
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OL-4015-08