At 05:31 PM 4/12/01 -0400, Luis Oliveira wrote:
>Should the logon time be so long even if I telnet by numeric address, say
>telnet xx.yy.zz.ww ?
>
>
>
>Regards
>
>
>// luis oliveira
Absolutely. Sorry I was not as clear as the others, it is because the unix
boxes will try to do a reverse DNS lookup on the incoming
connection. Usually this is because they use tcp_wrappers and / or they
log the connections? In general, you want to always have a fully
resolvable network, both forwards and backwards. So whoever the host that
is trying to connect to the Unix box, if the host's IP does not reverse
properly, you can expect such issues.
The issue is not so much that your forward dns is not working, since if you
do it by IP, there is no forward dns resolution being done at all. But the
unix box will try to reverse the incoming IP.
-Carroll Kong
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=407&t=392
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