About Matthew Ralston

Matthew Ralston · 02-10-2013

I'm replacing an old PIX with a second hand ASA firewall.I have configured the ASA in a very similar manner to how the PIX was set up but I'm having trouble with some hosts on the inside accessing the Internet. Any inside hosts which use DHCP work fi...

Matthew Ralston · 05-13-2011

Please can somebody advise me on how to set up port forwarding for inbound SSH?The outside interface on the ASA is on DHCP. I have a single dynamic public IP from my ISP. The inside interface provides Internet access for the network using NAT.I have ...

Matthew Ralston · 04-14-2011

How many concurrent SIP channels should I expect to be able to make through a PIX firewall?We currently have a PIX 515 with the SIP fixup enabled.it worked fine for a low volume of traffic, but once we got to around 400-500 concurrent SIP calls the P...

Matthew Ralston · 02-12-2013

Hi Jouni,Thanks for the info.I didn't have icmp traffic allowed, so I knew ping wouldn't be working. I was testing using http.I have enabled icmp and dhcp clients can ping outside. Static nat clients can't ping outside. Static clients also cannot use...

Matthew Ralston · 05-13-2011

That works; fantastic! Easy when you know how, I guess. :-)I had to make a slight tweak to the static line:static (inside,outside) tcp interface ssh 192.168.0.6 ssh netmask 255.255.255.255Thank you very much.

Matthew Ralston · 04-15-2011

Ok, thanks. I just wanted to make sure I wasn't missing some subtlety.Well I'll do some more testing when I'm able and try to nail down a solid figure for how many calls we can do on the current PIX and take it from there. If I err on the side of cau...

Matthew Ralston · 04-15-2011

Hi Mike,Thanks for the input. It seems like the try-and-see approach is probably the way I'm going to have to go. That makes it a little tricky when deciding what to upgrade to, but I think I can probably take the max connections figure of our curren...

Member Since	‎04-14-2011 05:19 AM
Date Last Visited	‎08-18-2017 03:53 AM
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ASA 5505 Static hosts cannot access outside

ASA 5505 Port Forwarding

PIX SIP throughput

Re: ASA 5505 Static hosts cannot access outside

Re: ASA 5505 Port Forwarding

Re: PIX SIP throughput

Re: PIX SIP throughput