Network Security

Hi,We have configured PIX VPN for our remote users. Our mail server is behind PIX firewall. Users connect to PIX using Cisco VPN Client 4.0.2D, after they connect they try to access mail server. Few of the mails bounce, error that they get is "No tra...

Hi,We are an ISP that has two public networks ans well and private addressing that sit behind pur Pix. All outbound from the private networks works as expected. However, any server on the public networks can not be reached, and any DSL customer with ...

I have 515E PIX inside IP address is 192.168.1.1Outside IP address is 192.168.0.6192.168.0.6 interface attached with my windows machine where i have ISDN connectionwindows machine IP is 192.168.0.1192.168.1.1 interface attached with my Linux Machine....

HiI got a PIX515e/UR running 6.3(1).It looks like it is only reachable e.g. for ICMP once it pinged the other end first.I try from ping 10.0.0.1 (host) and 10.0.0.254 (gateway) to the outside interface with no success.After pinging from the outside i...

Hi , My pix is up and internet is fine , but i need only One IP addesss x.x.x.1 to access internet rest other denied, and x.x.x.1 will have ISA server from where i will permit particular users to browse internet , Am using NAT/PAT on PIX , what will ...

Hi all,My PIX was working fine a few months back. Suddenly it's been doing some crazy things recently. I have some servers and workstations that can't access the Internet all of a sudden. The workstations resides on the Lan interface and the servers ...

Hi,Does anyone know if there is a limit on PAT?One problem that we are having it seems that our PAT addresses are not being freed up fast enough. We have the xlate time down to about 30 minutes should we go lower?Is there a rule of thumb on something...

could a dhcp request cross a more secured interface of a PIX? (eg. dhcp server is on the inside and a dhcp client on the dmz?)Thanks a lot

this is the third time that i send this message without to solve my problem. i will reDesribe my problem:i has installed 2 pix 525 UR et 525 FO using the mode actif passif with failover cable. the two unit shows the message:WARNING, missing ip or fai...

I am using VMS version 2. and want to know how to backup what I see on launch event viewer screen and then how to display my backups.Also, I need to know why I only receive alarms for old events in my launch event viewer screen. How could I see new e...

Hi, We have a VPN concentrator 3030 on which multiple site-to-site VPN's are configured.There is an issue with 1 client who tries to FTP through his VPN tunnel to a FTP server at the client end...The download works but upload doesn't...Anybody who ha...

hello every body,We have a PIX 515E DMZ. On the DMZ interface there's a Linux Squid proxy cache.The squid server is unable to connect to some sites like : www.cisco.com, or www.yahoo.fr etc ...But the squid server can access the site www.download.com...

Is there no way to backup my PIX's IOS?I do not see a command to copy the flash to tftp

Hi,The aaa authenticatin on the PIX is enabled and to use the LOCAL user database. A user is created (username ABC password XXX privilege 15) on the device. What's the command for user ABC to change his password?Thanks.