ipp TIME_WAIT

I am running RHEL 3 on a dual cpu intel box. I am having intermittent
delays with Telnet (see previous post- 'telnet delays') over a two
different vpn connections - local telnet okay. I do a netstat when the
user(s) report a problem and I see a bunch of these:

tcp 0 0 localhost.localdomain:48752
localhost.localdomain:ipp TIME_WAIT

When the delay goes away so do those lines.

Q: What does the ipp part mean? Is it a print job?

Q: Will changing the tcp_fin_timeout make a significant difference?