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.
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