King Computer Solutions
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Posts Tagged inbound

03.2.2011

Asterisk audio inbound or outbound not working when iptables firewall enabled

Due to attempted hacks on VOIP boxes we need to increase security by allowing SIP access only from the relevant IPs using iptables firewall In the case below the Asterisk VOIP server is sitting behind a NAT firewall and has the relevant config set for this. I found upon enabling the linux firewall that while […]

04.29.2010

[DBNETLIB][ConnectionOpen (Connect()).]SQL server does not exist or access denied

This may be due to a firewall issue – in particular Allow inbound SQL Server Browser UDP 1434 See further info on opening relevant firewall ports here: http://technet.microsoft.com/en-us/library/ms175043.asp Regards, Brendan