Network Security

I am having issues with a Nessus scan of my networks. I have multiple site-to-site vpn tunnels with different subnets at each site. When I run a Nessus scan on the remote sites, the tunnels drop and will not reestablish until the firewall is rebooted...

Hello all;I need to forward RTP traffic to an internal IP address. It appears the port range will be 10,000 to 20,000, and I cannot set up a match protocol RTP ((config-cmap)#match protocol rtp                                     ^% Invalid input det...

Dear Experts!!!!I upgraded my CSC module with IOS 6.6.1125.0. I studied IOS release guide it tells that it supports HTTPS scanning.After upgrading some websites are opening with HTTPS????Please tell me solution for this.Regards,Janardhan

Hoping someone can help.I have a PIX 501 and I am looking to download an OS as my current image is corrupt and the PIX will not boot.Would anyone know where I can download the O/S from so I can tftp it across to the router.The router is a few years o...

Please guide the solutions for DDOS attack. I am facing this attack and after some investigation I  found some details what is up against me Here are some details of the attack which is most similar in my situation.___________________________________...

Hi All,I am using ASA with IOS 8.3.I am not able to ping on the external interface(e0/0) from my internal network.I permitted icmp from internal network to external interface.Anyone knows the reason. Pls helpthanks in advance

Hi all,we have a pix 515E firewall with software version Cisco PIX Security Appliance Software Version 7.0(4) and ASDM version Device Manager Version 5.0(4). we are in a process of upgrading the software. Kindly suggest the software and ASDM version ...

HiI understand that if there are rules defined in the Global ACL, all the interfaces implicit permit (from high to low sec level) will be removed automatically.What if, there are no rules defined in the Global ACL, and we have an interface ACL config...

/* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-...

Does anyone know of a quick way to disable websense without deleting the url-filter server/rules from an ASA perspective?

Hello all,I was wondering if I could get a list of ASA software versions along with what H.323 stack version they support.  From looking on the internet it looks like ASA v7.0 supported up to H.323 v4.  Can I get some of the major releases along with...

Dear all,I am trying to figure out how to configure 2x IPS 4270 in promiscous mode with Cisco 6509 VSS:I have attached the LLD core datacenter design including the IPS physical placement in my network.The following points are my concerns in this desi...