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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.

What does this command do? I searched the other forums and found just one reply to a similar request. It was very general and of not much use.

Information. Network devices must have TCP and UDP small servers disabled. Cisco IOS provides the 'small services' that include echo, chargen, and discard.

2002/12/19 -Solved: For a Security review, I have to disallow TCP small services if I am not using them. What are they (I can't seem to find a complete ...

Using the Small Servers Problem You want to enable or disable router services like finger, echo, and chargen. Solution The finger application provides a ...

2011/9/29 -TCP and UDP Small Servers were legacy troubleshooting daemons that is an availible configuration on Cisco devices. Is there similar features ...

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- ...

Disables all small server services on UDP (including echo, chargen, discard, daytime, and time). For example: (config) # no service udp-small-servers. Closed ...

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 ...

2009/2/20 -So, what can you do, is to enable TCP and UDP small servers only when you need them for testing and then disable these services. Another ...