I have a somewhat confusing use case.We use a mobile voip app and our users connect to our PBX via a public IP of our firewall which port forwards to asterisk (TLS and SRTP ports). Works fine. Sometimes however, our users are also connected to our ..
all,Im trying to convers some Cisco SSCP phones to the SIP formware. The phone boots, I see it tries to fetch a bunch of files on my TFTP:Jun 17 09:37:45 firewall dnsmasq-dhcp: DHCPACK(eth2) 192.168.10.103 6c:50:4d:da:f0:67 SEP6C504DDAF067..
If your Asterisk box is facing the Internet and you are being constantly flooded with break-in attempts, you might want to follow these steps in order to secure your Aster..
H.323 Video Conferencing with GNU Gatekeeper has been improved with the new released announced by Jan Willamowius, Founder of the GNU Gatekeeper Project.A new major release of the GNu Gatekeeper has been anounced. This new version has many new featu..
all, Ive got a bunch of Polycom 301s at a site that sits behind a Sonicwall firewall. What Im seeing is that the phones are constantly becoming unavailable, followed shortly by becoming available again. The phones register just fine and sound great..
I seem to be facing an intrusion issue, inspite of firewall (script attached). What am I missing ?? Any suggestions / recommendation are welcome pls. Best regards, Sans #!/bin/bash echo 0 > /proc/sys/net/ipv4/ip_forward # Clear any existing firew..
I need to keep out all connection from 5 countries, which originate most of the Denial of Service attacks. The entries are around 9000 if used as xx.xx.0.0/16. I heard that there is a smarter way to do this by using User Tables in iptables, that w..
, Ive been beating my head for about 3 days on this one.I have Asterisk 1.4.41 installed using openh323.As long as Im inside my firewall, everything is hunky-dory.When I move to server on another subnet, Im still able to connect, but no longer have sound…
I cannot call my server over the internet with SIP anymore. Even when I do a maximum logging on my firewall, I dont see packets coming from outside. Ive tried it from an ekiga.net account and an sip2sip.info account. What could be wrong?I would exp..
all and thanks in advance. I have the following scenary: I want to put a Asterisk server in a company and in this company all addresses are private (192.168.0.0/24). NAT is made by the router but in this company there is a firewall too. Something l..