We want to limit IP, port, and protocol.
Our provider gave us the following samples:
Can anyone recommend how I should specify these?
Thanks,
-- Brian Keefe
in ex dst_addr * dst_port 53 di
in ex dst_addr 165.90.106.4 dst_port 80 di
in ex dst_addr 165.90.106.7 dst_port 25 di
in ex dst_addr 165.90.106.7 dst_port 110 di
The purpose of the filters are to (repectively):
Allow all traffic through tcp/upd port 53 (DNS Queries)
Allow traffic to 165.90.106.4 through tcp/upd port 80 (Our Proxy)
Allow traffic to 165.90.107.7 through tcp/upd port 25 (SMTP)
Allow traffic to 165.90.107.4 through tcp/upd port 110 (POP3)
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