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Thread: telnet issues




telnet issues
user name
2006-03-25 15:36:00
Hello List,

before I send a PR, maybe some of you can comment this:

With the sources from today, an initial telnet login
(insecure) now
takes at least 11 seconds to establish.

If you login from a windows client:
C:\ telnet mu.aydogan.net
<screen goes blank>
<waiting 11 seconds...>
NetBSD/i386 (mu.aydogan.net) (ttyp1)
login:

if you are on NetBSD
$ telnet -X sra mu.aydogan.net
<waiting 7 seconds...>
Trying 192.168.0.201.
Escape charakter is '^]'.
<wating another 10 seconds...>

NetBSD/i386 (mu.aydogan.net) (ttyp1)
login:

that is 17 seconds in total to wait. Any clue why ?

Greets, Zafer.

ps: I have removed "-a valid" from telnetd in
inetd.conf to enable telnet.
telnet issues
user name
2006-03-25 16:05:17
Delays like that on connection establishment are often
indicative of
DNS configuration problems.  Try using tcpdump on the server
side to
look at port 53.


		--Steven M. Bellovin, http://www.cs.columbi
a.edu/~smb
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