Network Security

I have just setup a 6513 with a firewall module running 2.3(4) software. I have configured the Vlans and put them in the Firewall Vlan group. I assigned the IP's on the firewall.What I do not understand is thisI have a DMZ that is VLAN 600On the 651...

Hi everyone,I have a question about how I can allow TCP option on PIX version 6.3 and how I can disable check of the TCP sequence number on PIX/ASA.I understand there are following security considerations when I install WAEs and each WAE communicates...

I just purchased a ASA5505 and am just started to configure it through the ASDM 5.22 with ASA version of 7.22. I can make changes, but when applying them, I get errors coming back like.[ERROR] write mem ASDM received an error while sending this comm...

Is there a way to fix this?regular translation creation failed for protocol 50 src inside:192.x.x.x dst outside:x.x.x.x

I have an odd thing that is intermittently occuring with my users who connect using the Cisco VPN client. This happens in multiple versions of the client. Due to a number of reasons we have our PC's set to auto register their IP addresses with our dn...

A PIX 506E that I administer keeps locking up and stops responding. I also found that this is happeneing about 4-5 times a week. The PIX is the gateway/router for a Windows Server 2003 network. It is also on a cable internet line.Any suggestions? Tha...

Hi,Have a IDS Network module set to an unnumbered interface running through a VRF. When I try to initiate a session I get an error "gateway or host down" the loopback that the vrf is linked to is up, the status of the module is ok. I cannot ping the ...

I have a single unrestricted PIX 515e running with 3 interfaces in use. Each interface is configured 100 full duplex into a cisco 3550 switch again with ports set at 100 full.Traffic throughput is around 800kbps on each interface which with the avai...

Hi,we have a set of FWSM running 3.2(1)Rules are set to allow ICMP both inbound and outbound.However traceroute gives some unexpected results, half of the hosts do not respond. It also produces the following message in the log.%FWSM-4-313004:Denied I...

Hi,The ASA we have is running Cisco Adaptive Security Appliance Software Version 7.0(6) Device Manager Version 5.0(6)Some docs I have seen say the WEBVPN is a trial but does not say anymore than that. Is it limited by functionality or the number of c...

Hi friends,I had attempted to upgrade the WS-SVC-IDSM2 blade on Cisco 6509 (Sup 720) switch to SW ver 6.0(3) from Maintenence partition 2.1(2) but was unsuccessful. The IDSM-2 was initially running ver 5.1(3). The file that i tried was WS-SVC-IDSM2-K...

Looking to create a hub and spoke VPN with ASA devices. Will use ASA5505's in the branches. Looking to determine what model to use in the head office. There will be approximately 80 small branches connecting back. The 5510 says it will do up to 250 s...