Network Security

Galera,Boa tarde!No FWSM quando vou realizar um NAT para que um servidor tenha acesso a internet através do FWSM faço o seguinte:InformaçõesSequencia:  SERVIDOR --> FWSM --> INTERNETInterface Internet: TESTERede Interna: 172.30.30.10Interface Externa...

I am having a web servers configured and cisco has a total of 6500 signatures in database . I was wondering if someone has a sample or best practises document which points out specific signatures we should enable for web servers . Once that is done I...

Hello all,I have a number of problems.First, attached are 2 different config files.  First one is from a running system that works, FP1-NNTL, however, the crytpo map for the dynamic are not working properly and if I go to add another site-2-site tunn...

Hello. I try to configure 2 ASA5525 in Active/Standby mode. I connect both ASAs to my 3750-stack switch through 2Gbps Etherchannel link.I split my Portchannel 1 in few subinterfaces (9, 12 and 52 vlan). Each subinterface have the same mac-address as ...

Hi ,all ips 4240 ， boot  screen  display  this information again and again ， it’s not work when i try to copy a new image to flash card from tftp ， test the flash card is ok ，so what should i do to fix it CISCO SYSTEMS Embedded BIOS Version 1.0(11)...

What is the difference in the following:access-list 100 permit tcp any any a.b.c.d 0.0.0.255 w.x.y.z 0.0.0.255 eg 22access-list 100 permit tcp a.b.c.d 0.0.0.255 w.x.y.z 0.0.0.255My question is: does the 1st one allows only ssh traffic?does the 2nd on...

Cisco ASA5520 supports How many Mbps link speed?

This issue has been resolved by using Nat (inside) 0 0.0.0.0 0.0.0.0 and removing the static nats. 8/14/2013          I have been tasked with sending internet traffic 80,443, & ftp through the inside interface of this firewall. Internet traffic was o...

I have a PBX behind an ASA 5505. What's happening is that periodically and at seemingly random periods of time the ASA is closing the SIP connection there is no rhyme or reason to the length of time. This forces someone who is behind the firewall to ...

Hi Experts,We have a Cisco 3945 router at one of our location. Our requirement is to enable the IOS based IPS engine within in the router and would like to load new signature files from cisco website to the router. But i am not much familiar with the...

Hi, I am configuring a pair of 5525X's running 9.1, migrating from some 5520's running 8.2.5, so the NAT portion obviously going to be different.Topology is straight forward.  4 interfaces, Inside, Outside, DMZ1 and DMZ2.  For some reason, all 3 inte...