Network Security

Remote PCs are connected transparently through Easy VPNtunnel using Spoke (remote) C837 (PSK / Network Mode) and PIX on Hub site.Everything works fine, I can ping remotes from Hub site , Telnet Spoke Vpn Router,remote PCs can get IP params from DHCP ...

I've just run some tests by doing large FTP transfers while looking at the packets with a sniffer. Why would IPsec traffic end up being a different size than the normal FTP traffic?--->FTP transfer thru the PIX, with no tunnels, (straight TCP) ...

With a PIX 525E Bundle, I have two UR PIX. Can and how do I configure one to be a failover PIX?

I have a PIX 515e with six interfaces. One interface is configured for standby, one for outside and the other 4 for different subnets and DMZs. All interfaces except the standby have public IP addresses that have a small public IP class on each one. ...

If a VPN 3.x client behind a local PIX is connecting to a remote PIX, does the local PIX need the sysopt connection permit-ipsec command in its configuration to allow the IPSec traffic through?

Hello,I have the configuration belowPIX --Routeur ADSL( with PAT)---internet ---VPN 3005 concentratorI have configured a lan to lan connction, with NAT-T activated (PIX and 3005).The VPN tunnel is up in both side (with debug and gui the lan to lan se...

I have a pix 515e with Cisco PIX Firewall Version 6.3(3) Cisco PIX Device Manager Version 3.0(1)I have a ip local pool setup for vpn users lets say on the 10.0.0.0 network...my question is how can i assign the netmask to this local pool....i dont see...

Hello,My current scenerio is 4 sites (A,B,C,D). In site A there is frame relay connection to another site (site y). All sites, A,B,C & D access Site y through Site A. I think I have the VPN configuration down for 4 sites in a mesh configuration. ...

Dear all,I am facing a strange problem with my PIX firewall. On every weekend my PIX firewall stops forwarding traffic from the proxy server, all the other traffic passes through and doesnt have any problem. The proxy server traffic is getting stoppe...

Recently discovered that the sysopt command has my MSS size set at 1380 bytes. This is done for VPN traffic, where after encapsulation, may be bigger than 1500 bytes & in need of fragmentation. If the DF bit is set, the traffic hits a brick wall. ...

ip address outside 24.25.43.2 255.255.255.252With the above config can I setup statics to use the outside address? Or do I need more than 1 ip address? Sample below;static (inside,outside) tcp 24.25.43.2 smtp 192.168.1.20 smtp netmask 255.255.255.255...

Hello,This is my first post to Cisco forums. I've just bought a Cisco PIX 520 with a 2MB flash, 350MHz CPU, 128MB ram running IOS 4.4. How can I determine what the highest version of IOS I can upgrade to using the Cisco website. The firewall is licen...

I have a Router Cisco 1760-v with CCME,in the ethernet interface i connected six ip phone and they work good,using a isdn bri interface to connect to the pstn network.I added a new module Wic-1adsl to connect my network to internet but now for securi...