4/25/2023 0 Comments Hack router port 53 udpNote that for name resolution software in most modern operating systems that's been patched with DNS source port randomization, the source port of the queries and thus, the destination port of the response won't necessarily be 53 in those cases, it's probably safe but unnecessary, unless you have a rogue DNS resolver listening to block UDP port Your second command has -m udp -p tcpwhich doesn't make a lot of sense. Don't block it if you want any kind of outbound connectivity, software updates, etc. Extra: Do not need to answer this but Would this command open that port using iptables in Linux. There are a few other ports open as well. The server hosts a web app that is served via http. Server Fault is a question and answer site for system and network administrators. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.
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