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Accept SMTP connections on hosts.
(imported from commit 524ae3f4362ffea12ff96498ae554322f7fe8a3c)
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@@ -17,8 +17,9 @@
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# Accept incoming traffic related to established connections
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-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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# Accept incoming traffic on TCP ports 22 (SSH), 80 (HTTP), 443 (HTTPS), and 5432 (Postgres)
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# Accept incoming traffic on TCP ports 22 (SSH), 25 (SMTP), 80 (HTTP), 443 (HTTPS), and 5432 (Postgres)
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-A INPUT -p tcp --dport 22 -j ACCEPT
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-A INPUT -p tcp --dport 25 -j ACCEPT
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-A INPUT -p tcp --dport 80 -j ACCEPT
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-A INPUT -p tcp --dport 443 -j ACCEPT
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-A INPUT -p tcp --dport 5432 -j ACCEPT
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