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Firewall
ALG
The ALG Controls enable or disable protocols over application layer.
VPN pass-through (L2TP/PPTP) is a feature of routers which allows VPN client on a private network to
establish outbound VPNs unhindered.
FTP ALG enabled allows FTP clients behind an NAT to establish a connection on the port of FTP Server.
Enable the H.323/SIP ALG when H.323/SIP SIP phone needs ALG to pass through the NAT. Disable the SIP ALG
when H.323/SIP phone includes NAT-Traversal algorithm.
IP/Port Filtering
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