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2006/8/1 -TCP and UDP small servers are servers (daemons, in Unix parlance) that run in the router which are useful for diagnostics. TCP Small Servers.
2002/12/19 -TCP small services are echo, chargen, daytime, time and discard; the Berkeley r* services, talk, etc. You can configure them in inetd.conf.
To enable small TCP servers such as the Echo, use the service tcp-small ... For usage guidelines, see the Cisco IOS XE service tcp small servers command.
Information. Network devices must have TCP and UDP small servers disabled. Cisco IOS provides the 'small services' that include echo, chargen, and discard.
But you can also use the Telnet program, and connect to TCP port 79 to access the finger server as well. You can do this from another router, for example:
2010/4/11 -For your second question: They are turned off by default on recent IOS releases, so you would only really have to issue the 'no [tu]dp-small- ...
2011/9/29 -TCP and UDP Small Servers were legacy troubleshooting daemons that is an availible configuration on Cisco devices. Is there similar features ...
2022/10/27 -They are: echo, discard, daytime, chargen, and time. Mostly via TCP and UDP, and, as you would have expected, IPv6 and legacy IP. I'm aware that ...
no service tcp-small-servers. Disables all small server services on TCP (including echo, chargen, discard, daytime, and time). For example: (config) # no ...
How to check configuration about TCP UDP small server? Is there documents about it?