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First give a -p option like -p tcp or -p udp. Examples: iptables -A INPUT -p tcp --dport 22 -m state --state NEW -j DROP iptables -A INPUT -p udp --dport 53 --sport 1024:65535 -j ACCEPT You could also try …

Dec 4, 2015 · @BrianZ This is Windows 7/8/10 and to get there, just open Start Menu search for "Firewall" and click on "Advanced Settings" on the left-side panel, click on Inbound Rules on left-side …

What you've been told is right, although you've written it wrong (you've forgotten --dport). iptables -A INPUT -p tcp --dport 1000:2000 will open up inbound traffic to TCP ports 1000 to 2000 inclusive. -m …

Jan 11, 2023 · At first glance you're only allowing DNS responses to be received and don't create any DNS related rules in the OUTPUT chain to actually allow sending DNS queries out. You current …

Feb 6, 2011 · with "u32 match ip sport 80" in Linux tc I can match port 80, but how can I match a port range 10000 - 20000 ?

Aug 16, 2021 · I'm unable to comment due to too-low reputation, but I came across this post when trying to accomplish a similar goal. It's not entirely clear if the OP would prefer to keep local traffic local (i.e. …

Mar 5, 2023 · See your rule table to understand how the outgoing packets are routed at the home server. wg-quick will add some rules. ip rule show For me, I had to remove some rules generated by …

Jan 25, 2024 · This can't be fixed with a stateless firewall without voiding the security the firewall is supposed to provide. One can't just add: udp sport 53 accept + tcp sport { 53, 443 } accept to allow …

How about this: I'm a programmer trying to set up an environment so I can debug my server application in eclipse being called from the innernet. Close enough?