About marcosgeorgopoulos

marcosgeorgopoulos · 11-30-2010

Hi Guys,I have a quick question.I'm setting up an ASA 5505 running 8.3 for someone, they had an 877 that no longer suits there needs so its being replaced with an ASA.They have some VoIP phones internally. The Voip phones register out to a SIP proxy ...

marcosgeorgopoulos · 11-24-2010

Hi Guys,Firstly I'm not sure if this is the correct place to put this enquiry. It is an issue with an 877 router, but the problem itself seems to be with the Firewall functionality on it.For simplicity sake lets say I have 2 vlans setup on it VLAN1 ...

marcosgeorgopoulos · 11-22-2010

Hi,I have a client with a requirement for 2 internal lan segments to be able to reach the outside(internet) some static NAT's will be setup to expose services in the DMZ( possibly on the inside aswell using cut-through proxy for temporary access at t...

marcosgeorgopoulos · 11-18-2010

Hi Guys,I don't have much experience with Cisco's wireless product range and I thought I'd start here.( I have experience in security and R&S though).Anyway, I have a client how currently has a Linksys/Cisco RouterWRT310N. They have an office with a...

marcosgeorgopoulos · 08-20-2010

Hi I have a question regarding allowing SIP traffic through an ASA.I have the following situation.'LAN A' with Call Manager and Phones <---> ASA 5520(running 8.3) <-----> internet <---> Another 3rd Party Firewall <---------> 'LAN B' 2 Cisco IP Pho...

marcosgeorgopoulos · 11-23-2010

Thanks yes I believe that is similar.In reality they have an inside, outside and a VOIP phone network. The VOIP phone network will never need to communicate with the inside network. I just need to make sure that SIP and the RTP traffic can pass to an...

marcosgeorgopoulos · 08-21-2010

Hi Prapanch,Once again thanks for your help.I have not configured the firewalls for this setup yet as I am still planning my approach before implementing it.However, The plan is the following.A Static NAT will be setup to expose the internal callmana...

marcosgeorgopoulos · 08-21-2010

Many Thanks Prapanch,I've had a read through the documentation you provided, especially under the 'technical documentation' section, but I can't seem to see where it explains what the outgoing rtp traffic is NAT'ed to.... or what incoming address the...

marcosgeorgopoulos · 07-28-2010

Thanks Mica,I have tried all of this, but its still doesn't seem to work.I have managed to get it working on another ASA or OWA server, just not this particular one.

marcosgeorgopoulos · 07-21-2010

Excellent. Thanks!

Member Since	‎02-22-2010 02:17 PM
Date Last Visited	‎08-18-2017 03:56 AM
Posts	54

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Voip Traffic through ASA 5505 (8.3)

Cisco 877 IOS Firewall.

ASA 5505 licensing query.

Wireless Noobie question.

SIP through an ASA, NAT'ing question.

Re: ASA 5505 licensing query.

Re: SIP through an ASA, NAT'ing question.

Re: SIP through an ASA, NAT'ing question.

Re: WebVpn, OWA and Single Sign on.

Re: WebVPN Group Policy Mapping based on username not LDAP Group