Network Security

Hi Guys,our cisco ips is under tcp hijack attack the signature id is 3250 ..numbers of servers are targeted by this attack can any body tell me the proper metigation of this attack...RegardsSher

We have two asa5510 appliances which are currently running ios version 8.2(3)We would like to upgrade to the latest version but Im concerned becuase i have heard there are significant differences in the ios versions later than 8.2(3) and don't want t...

Hi,I would like to know if there is a way to apply in the Cisco asa 5510 traffic shaping not for a interface but a single IP address.For example i would like to limit the bandwith for the IP address of my FTP server.Can someone help me ?.Thanks !

HiIn firewall traffic flows from higher level to lower level by default.If I apply access-list to deny particular traffic say 10.1.1.0 /24 network  should not flow to lower interface level and apply access-list on inside interface.Is that remaining n...

Hello,I have several ASA and same problem on all.I want to use my tftp server outside my org, so i create a pat rule as usual, access-list and inspect on tftp is on. But i can't download any file, when i access it from the outside, i can see the requ...

Hi,We currently have 3 ASA clusters, running different software versions. I'd like to upgrade them to the newest release 8.4(2) and have some questions...cluster 1:2 nodes running active/standby, both nodes running 7.2(4)this cluster is mostly used f...

All expertsHow to allow Network monitoring station (which is on LAN) to access public ip address passing through multiple firewalls.Any suggestions will be helpfulregardsmayuresh

We have a 5505 with a base license and need additional basic SSL VPN client connections (not premium).  We purchased an AnyConnect Essentials license and applied it.  However, when trying to make the 11th connection (7 IPSec and 4 SSL), one of the co...

Hello guys, i am kind of frustrated... i have always been able to block IM and some certain types of P2P with PIX and ASAs, but i was trying to insert that same MPF configuration into a FWSM and doesnt recognize the class-map type inspect im configur...

I have three LANs connected to my ASA, all have internet access, but I am not able to ping or access any of the LANs on the inside network.  Can you please advise on where I went wrong?ASA Version 8.2(3)!hostname ciscoasaenable password DQucN59Njn0Oj...

I have a 5520 ASA that I am trying to upgrade from 8.2 to 8.3 and have an issue where every time I copy a file from tftp to the local flash (or http to flash or disk0) the file copies, writes the file and immediately re-boots. When it comes back up, ...

Hi i allowed one of internal ip using static nat and public ip is 203.18.137.22 and i want to check which IP  are  hit this public ip ?Is there is any command to check which ip is hitting 203.18.137.22? I have the cisco 5520 asa firewall.Thanks Prash...

Is this possible? or do I need to redo the configuration on the new one? Thank you in advance.