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2020 Jan 29
2
Centos 7: UPD packet checksum verification?
On Wednesday, January 29, 2020 6:52:50 PM CET Nataraj wrote:
[...]
> By burst, I mean that you don't have a bandwidth commitment with an SLA
> from your provider. A bandwidth commitment means that you are paying a
> provider to guarantee you so many MB or GB of bandwidth and this is
> guaranteed to you. This means it is allocated to you in their network
> allotments and you
2020 Jan 30
0
Centos 7: UPD packet checksum verification?
...se it in the
> first place?
My firewall is CentOS running iptables, so you would use something like
iptables -A INPUT -p udp -m state [OTHER MATCH OPTIONS] --state
ESTABLISHED -j ACCEPT
You would similarly code an OUTPUT rule.? You obviously need? to permit
whatever packets/ports your voice thisapplications requires i.e. SIPS
srtp etc.? I generally limit my voip packets to the IP addresses of any
pops that I connect to.? There are hackers out there that will connect
to your phone switch if you allow voip packets from any source.
Most commercial firewalls have options to enable VOIP services....