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Full Discussion: SSH slow at connect
Operating Systems HP-UX SSH slow at connect Post 302721131 by sdohn on Thursday 25th of October 2012 08:04:05 AM
Old 10-25-2012
Hi, it maybe could be an issue with the dns resolver.
If the dns entries are not resolvable, it could take longer to connect with ssh to your server.

Could you elaborate on the term "slow connections".
Is the etablishion of a connection slow, or did you get slow transfer rates from ... to ssh.

cheers ...

---------- Post updated at 02:04 PM ---------- Previous update was at 01:49 PM ----------

Quote:
Originally Posted by sdohn
Hi, it maybe could be an issue with the dns resolver.
If the dns entries are not resolvable, it could take longer to connect with ssh to your server.

Could you elaborate on the term "slow connections".
Is the etablishion of a connection slow, or did you get slow transfer rates from ... to ssh.

cheers ...


check /etc/resolv.conf
Did you have a system without such this problem, then compare
Is the IP your are trying to connect available in /etc/hosts
Check your etc/nsswitch.conf file
hosts: files dns
ipnodes: files dns
Should have entries in above orders.
Are there problems with your main dns server in case that the second dns server answers your dns queries?
What says the /var/adm/syslog/syslog.log about your problem . Check it!
 

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POLYGRAPH-DNS-CFG(1)						   User Commands					      POLYGRAPH-DNS-CFG(1)

NAME
polygraph-dns-cfg - DNS server configuration tool SYNOPSIS
dns-cfg [--option ...] DESCRIPTION
Given a zone name, DNS names, and IP addresses, dns-cfg builds configuration suitable for use with BIND and, perhaps, other DNS servers. Dns-cfg output consists of three parts. The first part is the text to cut-and-paste into BIND's named.conf file. This part is sent to the standard output. The outer two parts are direct and reverse zone files. Those may be quite large and are dumped on disk into the appropri- ately named files. Dns-cfg can use PGL configuration as the source of information. OPTIONS
--help list of options --version package version info --config <filename> PGL configuration --cfg_dirs <dirs> directories for PGL #includes --zone <str> zone name --addresses <str> IP addresses --names <str> domain names COPYRIGHT
Copyright (C) 2003-2006 The Measurement Factory, Inc. SEE ALSO
polygraph(7) - general information and a list of programs http://www.web-polygraph.org/ - project web site polygraph-dns-cfg - Web Polygraph February 2010 POLYGRAPH-DNS-CFG(1)
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