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Thread: PIX with Syslog




PIX with Syslog
user name
2005-12-23 00:41:46
the urlfiltering component is used with a 3rd party
appliance.  Currently only websense and N2H2 are
supported.  Sorry, not free.

--- chetanvatika <chetanvatikayahoo.co.in> wrote:

> Hi Brian and Gray,
> 
> Thanks alot my pix is working great now.
>  Can i use url filetring in my PIx or if i want to
> block some sites permantely through Access-list what
> should i doo ??
> 
> 
> Chetan
> 
>   ----- Original Message ----- 
>   From: chetanvatika 
>   To: PIX_Firewall@yahoogroups.com 
>   Sent: Monday, December 19, 2005 6:32 PM
>   Subject: Re: [PIX_Firewall] Re: PIX with Syslog
> 
> 
>   Thanks Brain and Gray,
> 
>   I configured my SysLog server over udp port 1058
> instead TCP port 1058
> 
>   Now its is woking preety good. Just configured it
> give me a day to monitor then i will give you all
> the correct respnse.
> 
>   Thanks Alot Brain and Gray.
> 
>   thanX
>   Chetan
> 
>     ----- Original Message ----- 
>     From: Brian 
>     To: PIX_Firewall@yahoogroups.com 
>     Sent: Monday, December 19, 2005 12:34 AM
>     Subject: [PIX_Firewall] Re: PIX with Syslog
> 
> 
>     chetanvatika, 
> 
>     So as Gary and I have both pointed out if you
> use TCP Syslog in the
>     PIX and the Syslog server doesn't acknowledge
> the Syslog messages back
>     to the PIX; the PIX will think the Syslog server
> is down and stop
>     creating new translations.  This means no new
> sessions can be created
>     by the PIX.  You can use the command "logging
> permit-hostdown" to make
>     the PIX with syslog set for TCP act the same as
> syslog set for UDP.
> 
>     My recommendation is that unless you have a
> security policy that says
>     "if we can't log traffic, then we shouldn't
pass
> traffic", you should
>     not use TCP syslog.  It uses more processor
> cycles on your PIX, it
>     creates more traffic, and you can accomplish the
> same thing using
>     syslog over UDP.
> 
>     My guess is that your syslog server might be
> busy at that time of day
>     doing something that is scheduled (something
> other than Syslog). 
> 
>     Liberty for All,
> 
>     Brian
> 
>     --- In PIX_Firewall@yahoogroups.com,
> "chetanvatika"
>     <chetanvatikay...> wrote:
>     >
>     > ThanKX Brain,
>     > 
>     > Syslog server is working  preety good on
> tcp/1058.
>     > 
>     > I am facing the problem that my pix works fine
> all day but when it
>     comes to night like aruond 6-7pm it stop
> creating new connections to
>     outside interface and i have to reeboot it.
>     > 
>     > What can be the problem??
>     > 
>     > Please help with this.
>     > 
>     >   ----- Original Message ----- 
>     >   From: Brian 
>     >   To: PIX_Firewall@yahoogroups.com 
>     >   Sent: Friday, December 16, 2005 12:11 AM
>     >   Subject: [PIX_Firewall] Re: PIX with Syslog
>     > 
>     > 
>     >   Sri,
>     > 
>     >   Sure.  Running PIX syslog over tcp/1058
> should work.
>     > 
>     >   You need to check to make sure that any
> personal firewall on the
>     >   syslog server allows that port.  Some block
> high order tcp by default.
>     > 
>     >   You also have to remember that running
> syslog from PIX over TCP means
>     >   that if the server signals unavailable the
> PIX will stop forwarding
>     >   traffic.
>     > 
>     >   If you want to debug you need to #1 make
> sure you can ping the syslog
>     >   server from the PIX and #2 find a ping tool
> that allows you modify the
>     >   port number and run it on a couple of PCs.
>     > 
>     >   Liberty for All,
>     > 
>     >   Brian
>     > 
>     >   --- In PIX_Firewall@yahoogroups.com,
> "Sridhar M.N." <sridmobiley...>
>     >   wrote:
>     >   >
>     >   >   Hello Brian,
>     >   >    
>     >   >   The default for syslog is UPD 514,
but
> TCP 1058 works great for
>     >   me. These are the settings I've enabled. 
>     >   >    
>     >   >   logging host inside 10.1.30.48
tcp/1058
>     >   >   logging trap debugging
>     >   >   logging on
>     >   > logging timestamp
>     >   > logging standby
>     >   > logging buffered notifications
>     >   > logging history notifications
>     >   > logging facility 16
>     >   > logging queue 100
>     >   >    
>     >   >   In Kiwi setup, Under Inputs -->
TCP,
> select Listen for TCP syslog
>     >   messages.
>     >   >   TCP Port by default would be 1058
>     >   >   Bind to address --> Type in your
> system's IP address. In my case
>     >   its 10.1.30.48 and click OK
>     >   >    
>     >   >   I've attached the print screen of the
> kiwi setup too.
>     >   > 
>     >   > 
>     >   > Brian <brfordy...> wrote:
>     >   >   Sri, Chetan;
>     >   > 
>     >   > The default port for Syslog is UDP 514.

> If this configuration isn't
>     >   > working it is because either the PIX or
> the Syslog server is
>     sending /
>     >   > listening on the wrong port.
>     >   > 
>     >   > Liberty for All,
>     >   > 
>     >   > Brian
>     >   > 
>     >   > --- In PIX_Firewall@yahoogroups.com,
> "Sridhar M.N."
>     <sridmobiley...>
>     >   > wrote:
>     >   > >
>     >   > > Hi Chetan,
>     >   > >    
>     >   > >   Issues these commands in your
cisco
> pix.
>     >   > >    
>     >   > >   logging on
>     >   > > logging timestamp
>     >   > > logging standby
>     >   > > logging buffered notifications
>     >   > > logging trap errors
>     >   > > logging history notifications
>     >   > > logging facility 16
>     >   > > logging queue 100
>     >   > > logging host inside ipaddress-of
> syslogd-server tcp/port-number
>     >   > >    
>     >   > >   example : logging host inside
10.1.2.5
> tcp/1058
>     >   > >    
>     >   > >   1058 is the default port number
and
> should work fine in KIWI
>     >   > syslog server. But make sure that KIWI
is
> listening on port number
>     >   > 1058. Hope this helps. 
>     >   > > 
>     >   > > chetanvatika <chetanvatikay...>
wrote:
> 
=== message truncated ===



	
		
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