ssh login lag

jdow jdow at earthlink.net
Thu May 25 23:49:45 UTC 2006


DNS is not properly setup at your place it would appear.
{^_^}
----- Original Message ----- 
From: "Arun Binaykia" <arun at binaykia.com>


> You are blocking any incoming DNS packets by blocking udp. I believe
> sshd tries to lookup the hostname of the ipaddress, it times out in few
> seconds, this causes the lag. This can also happen if
> your /etc/resolv.conf is pointing to unresponsive servers.
> 
> Following are the following fixes.
> 
> -> make "UseDNS no" in sshd_config
> 
> -> allow DNS from iptables AND verify /etc/resolv.conf
> 
> HTH
> Arun
> 
> On Thu, 2006-05-25 at 00:37 -0700, atomi wrote:
>> I've got a pretty bare bones system. Headless Fedora Core 5
>> My problem occurs when I login via putty through SSH,
>> after I've entered my password there is an ugly lag...
>> 
>> here here is my IPTABLES:
>> 
>> *filter 
>> :OUTPUT ACCEPT [0:0]
>> :FORWARD ACCEPT [0:0]
>> :FIREWALL-INPUT - [0:0]
>> :INPUT ACCEPT [0:0]
>> -A INPUT -j FIREWALL-INPUT
>> 
>> -A FIREWALL-INPUT -p tcp --dport ssh -j ACCEPT
>> -A FIREWALL-INPUT -p tcp -m tcp -j REJECT 
>> -A FIREWALL-INPUT -p udp -m udp -j REJECT
>> COMMIT
>> 
>> so, alright, pretty simple huh; anyone know why the lag monster
>> appears?
>> ANY insight i think would help.
>> Thanks guys,
>> atomi.
>> -- 
>> fedora-list mailing list
>> fedora-list at redhat.com
>> To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
> 
> -- 
> fedora-list mailing list
> fedora-list at redhat.com
> To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list




More information about the fedora-list mailing list