Network Security

Hello, We recently attempted an upgrade from 7.2.4 to 8.4.5 and one of the issues we experienced was an issue with BT download can't through the firewall. Such as uTorrent(ver 3.3) .When open the software ，it display that DHT waiting to login in.But ...

Hi all,I have an Interface that is up/up but "show fail" reports "no link"Any ideas on what the cause may be? I am seeing input errors on the switch port this interface is connected to. Tried swapping the cable, but no change. I may have a hardware p...

Hello , i'm testing IOS firewall using zone based firewall zone pairs , users can access the internet , but i have a problem that i can't ping my external dns servers or even ping , trace any internet destination. For example ping to www.yahoo.com fa...

Hi All,We have 2 non-contiguous public subnets from the same ISP presented on a single routed connection. Behind this we have 2 ASA 5520's in routed mode, both have outside interfaces in the same public subnet and we have various devices NAT'ed behin...

Hi all,I have some issueI have to configure ASA with different line numbers but when i give line number its giving in sequence like 1,2,3, etc.Please advice any workaround can be done.

What is a good method for injecting routes into EIGRP on the outside of the ASA to advertise to my edge routers.The senerio is I have two edge routers running bgp to diverse providers.  These edge routers will be peering EIGRP with an ASA A/S cluster...

Hi,I looked around the forums and the docs for a long time before posting this question.I think there are some NAT flexibility lost in 8.3 code.I have a config in 8.2 that permitted me to policy nat to different adresses for different services (icmp,...

I am receiving an exception error when launching ASDM. I have see on the web (and have experienced an issue similar to this before) where a reload resolves the issue. However, I did issue a reload and the error continues. Strange thing is, when I loo...

having a weird issue and need opinions on whether firewall is causing it.Have an ASA5505 pair (version 8.4.2) (active/standby). Users behind the firewall connect to a remote server on the internet. The server is maintained by the same users that are ...

Hi,I have a Cisco router 2900 with firewall, i need to know how can i allow the ping from self zone to outside zone, i trried to create policy from self to outside but i still didn't allow ping or tracert, i get that message when i try to ping from c...

Hello Everyone,I have an ASA 5520 soft 8.2(3) when i try to configure the anyconnect I don't get the SSL and the telnet optionsfor the connection. bare in mind that i don't have the anyconnect software on my asa nore do i have any certificate. is it ...

could I please know what is the benefit of replacing 5512 for 5510.  Thank you.