Network Security

Why can I ping a public IP for a (NAT static) server sitting behind one PIX from inside on one network but cannot do the same on another network with a nearly identical PIX config?Also, on a network where I can ping the public IP of some servers why ...

Hi,The following message appeared on PIX, when i used the "global" command++++++++++++++Firewall# global (outside) 1 interfaceWarning: Start and End addresses overlap with broadcast address.outside interface address added to PAT pool++++++++++++++I a...

Do I have to explictly enable RMON on theCatalyst 2950G Series?If Yes - how can I do that?I want to monitor RMON statistic with a 3rd party tool.thanks for a hint

My question. If I access Ciscoworks - Campus manager - Topology Services - Network Views - Layer 2 View....I get a list of all of the switches on the LAN. Under 'Device Name' I get a list of all the IP addresses of the switches....except for one swit...

I did an upgrade from PIX 5.2.3 to 6.1.4 and when rebooted ethernet2 interface was not recognised. Show Interface does not list the ethernet2 (DMZ)interface.I put back the 5.2.3 and show interface displays the ehternet2 interface and everything is fi...

I am trying to establish a LAN to LAN VPN from a pix 501 at the remote office to a Cisco 3005 concentrator at our corporate office. At the Remote we have a DSL connection to the internet at 1.5 down 256 up. Corporate has a Fractional T1 for net acces...

Hi, I'd really appreciate if someone could help me with the following scenario: I need to configure the PIX 501 to work in the following network setup LAN ---> PIX 501 ---> Cisco 760 ISDN Router ---> Internet The LAN I have is very small, having 11 u...

Hi,I´ve recently come across a problem related to PIX firewalls. After issuing a "show xlate" message, I got several translations.The last few lines are as follows:PAT Global WEB(35782) Local WEB_WLBS(0) PAT Global WEB(35779) Local WEB_WLBS(0) PAT Gl...

Hello,I have 2 pix FW's running VPN between them. Now I want to telnet to the outside interface of the remote PIX.On each PIX, Is it as simple as adding a line in the access-list , which is currently used for the NAT0 and in the VPN crypto map, to al...

I have a PIX 501 running V6.1(2). Im using a DSL line connected to the PIX, then from the PIX i connect 2 servers with 2 LAN cards. The other cards are connected to the inner LAN (172.16.0.0). The first server runs proxy to allow the inner network to...

I think that the bandwidth between 2 locations of my company is been taken by netmeeting and messenger, how can I lowdown this packets and how can I be sure that this is happening, I dont have sniffers and nothing of this stuf.Thanks

I put a GRE tunnel over PPP link with ppp multilink fragmentation, the VoIP works fine but the data are slow with or without phone call´s interface Multilink1 ip address x.x.x.x y.y.y.y ip tcp header-compression iphc-format service-policy output Qual...

Hi, We have a VPN3000 on our network, In near future we are planning to monitor our university traffice through Ciscoworks2000.I am keen to get usage statistics from the VPN3000 concentrator that the students use for remote access. Is this possible u...