Network Security

Anydoby advise some tools to discover the network vulnerability ? like nmap.I use nmap to scan one of my networks, I got one message "TCP Sequence Prediction: Difficulty=258 (Good luck!)"what's that mean, is is good ?

Please share configurations options regarding a network that has topology and routing: ISP-based internetwork GRE Tunnelling sparse-dense mode ip multicasting configurations options via PIX 515e IOS 7.x from outside network-facing router, thru pix, ...

I have a problem of trying to get automatic switching of traffic onto a VPN tunnel if the Primary LL/Sat link fails. The current scenario is like this:The firewall is connected to a layer 2 LAN switch, the WAN router that host the Leased Line/Sat lin...

Hello,I am currently routing two fast-ethernet networks through a 7206VXR, but I wish to migrate them to isolated DMZ's sitting behind two seperate interface on a PIX 535.according to Product Sheet Router Perfrmance: it achieves 1 Gb throughput7206 -...

Were running 6.3 right now on a Pix 525 amd wantr to upgrade to Latest Safe Harbor certified Pix OS version Thnaks in advance for any guidance -Peter

Gents,I have two questions,is there any way to detect/block application, like emule, bittorrent etc by the NAC or CSA MC?I installed Nessus plugin, and found there is a Bittorrent detect, and I put the action to Hole, but did not work2nd question,for...

Hi guys, this is my first post so be gentle We have a 515e PIX and we want to be able to see view the traffic coming through certain interfaces.I'll tell the story behind what im trying to achieve to hopefully give you better understanding of what I ...

Hi all,I got one pix firewall at my office but the problem is I can access other resources at my office except for internet connection when I remote VPN from Home. Any problem with my pix config?? (Config as attached). Really need kind advice. Tq

Hi,Once i establish a vpn connection using Cisco VPN, i can no longer access my Internal LAN !!!What configuration should be setup so that i can continue having access to my LAN while connected thru VPN ?

I have ASA5510 and having problems while connecting to remote VPN using cisco VPN client.I will be able to get connect to VPN but not able to ping the remote network IP's and when I look into ASA logs I get the error "regular translation creation fai...

Hello,I am having issues attempting to connect to a Netgear SSL Concentrator within my internal network. The connection from the outside of my network is being routed through my PIX 501 in order to reach my SSL.When I attempt to make the connection ...

Hi,I have a 2811 IOS router (12.4) with a DSL interface.I am using Static NAT for my web server & Dynamic NAT for my LAN users.I can access the web server internally, but cant access it using its external IP address.I have been struggling with this f...

I have an ASA5510 w/ v7.0(7). I'm trying to see why none of my machines can get on the network so I'm working the troubleshooting section and trying to ping the interface.I entered:hostname(config)# debug icmp tracedebug icmp trace enabled at level 1...