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Old 04-04-2003, 08:45 AM   #1
yuzuohong
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Registered: May 2002
Location: Shanghai, PRC
Distribution: RedHat 6.2 | 7.2 | 8 | 9|3
Posts: 81

Rep: Reputation: 15
Post Maximum tcp port for OPENSSH


Hi all,

I have RedHat 7.2 and RedHat 6.2 boxes. For the reason of security, I want to change the port from 22 to 60000. When I make this change on RedHat 7.2 boxes, it's OK; While doing the same thing on 6.2 boxes, I found the sshd service couldn't run. After many times of trying, I got the maximum sshd port, which is 40999.
I just wonder, whether this is really the common theory in RedHat 6.2? Since I don't find such kind of limitation in ssh manual.

zuohong
 
Old 04-04-2003, 05:27 PM   #2
iceman47
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Registered: Oct 2002
Location: Belgium
Distribution: Debian, Free/OpenBSD
Posts: 1,123

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Could be ipchains/iptables block everything above that portnumber
 
  


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