change your values for number of file descriptors and
compile your squid again.....

/proc/sys/fs/file-max 

like 

echo 4096 > /proc/sys/fs/file-mac

if you talk about SYN attack.......

echo 1 > /proc/sys/net/ipv4/tcp_syncookies

and increase the values of this 

echo 1000 >  /proc/sys/net/ipv4/tcp_max_syn_backlog


Best Regards,
Masood Ahmad Shah
System Administrator
Fibre Net
Lahore, Pakistan
Mobile#  +923004277367

--- atit jariwala <[EMAIL PROTECTED]> wrote:
> I am using Redhat Linux 7.2 with Kernel 2.4 and
> Squid 2.5 stable1
> 
> ----- Original Message ----- 
> From: "MASOOD AHMAD" <[EMAIL PROTECTED]>
> To: "atit jariwala" <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Friday, April 04, 2003 10:53 AM
> Subject: Re: [squid-users] SYN flood attack
> 
> 
> > your both question file descriptors + SYN cookie
> > attack related to your Operating System not with
> > Squid.
> > 
> > so tell us which operating system you are using
> then I
> > can help u.
> > 
> > Best Regards,
> > Masood Ahmad Shah
> > 
> > 
> > --- atit jariwala <[EMAIL PROTECTED]> wrote:
> > > Hello SQUID Users
> > > I am using SQUID 2.5 STABLE1
> > > i faced SYN flood attck on my squid... and it
> caused
> > > squid to run out of
> > > file descriptor...
> > > 
> > > does squid provides any support to prevent it?
> > > or is there any other solution to overcome it
> > > 
> > > -- atit
> > > 
> > 
> > 
> > __________________________________________________
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> > Yahoo! Tax Center - File online, calculators,
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> > http://tax.yahoo.com
> > 
> 


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