Network Security

One of one clients has a dedicated Apple Mac environment with Pix 501 firewall. They use iChat AV for Audio/ Video conferencing. The connection fails everytime a session is started to anyone outside the company.iChat reports: Tried to send UDP SIP "i...

Hi,Currently we have a small DMZ running it's own IP range and the addresses are running out. To overcome this problem we are moving to using PAT with the outside interface IP. The end goal is to provide services spread out over three servers in the ...

One of one clients has a dedicated Apple Mac environment with Pix 501 firewall. They use iChat AV for Audio/ Video conferencing. The connection fails everytime a session is started to anyone outside the company.iChat reports: Tried to send UDP SIP "i...

I am trying to setup a PIX 501 firewall that sits behind a DSL modem on a home network that consists of three PC's. I have the PIX setup as a dhcp server for the inside interface. It seems to be assigning addresses ok to the PC's. I can ping an outsi...

How would I setup the pix to require all outbound traffic to go through the proxy server?

How do I configure a 678 ADSL router/Modem to pass PPTP VPN traffic. I have a VPN appliance on the inside lan and want to access it from the outside address. I used this VPN appliance on a Cable modem and it worked fine. I tried usig nat to forwar...

I have a Cisco Pix 520E . The problem with this is that whever i try to ping a local server from another local server, the hardware address is that of the PIX firewall and finally the ping doesnt work.. This is leading to many server-to-server comm...

Hello All & Greetings.I have a scenario as below and would like how to make needed changes.I have a PIX firewall which is being used by 2 entities. However, one of them now wants togo their own separate way. I need to eliminate / remove all configs r...

I need to recovery the enable password on a couple of PIX firewalls running HSRP. Can anybody advise me if I need to adapt the standard recovery procedure? What I was considering was shutting both firwalls down, bring the primary one up, recovering...

Hi!I'm trying to configure simple multicast forwarding on PIX with client on the outside (IOS Router that pings 224.1.1.1) and server on the inside (IOS Router that joins 224.1.1.1), but it doesn't work. I see, that IGMP is working well, PIX proxy re...

Does anyone know how I might get jumbo (9000 bytes) frames thru my firewall? I need to transfer large data long distances, and jumbo frames are recommended. Can a PIX or FWSM do it?

The reseller who sold us this hardware claims that 3DES and VAC is included..anyone know:Is this true?How I trun on 3DES?thanks

I have an issue that i can not seem to see, i am trying to allow inside users access to the dmz, mainly for ftp and www. i know i am overlooking something simple. thanks in advanceHere is the portion of the config that i haveinterface ethernet0 100fu...

We have a site to site vpn running an ipsec tunnel with 3des encryption and a 155Mbps ATM link between the two (bridged with 3620 routers). The throughput and response times between the two sites is less than expected with intermittant periods of del...