query: Is the non-open port response [RST, ACK] normal?
positive_passages.docid: 149195
positive_passages.text: Why are some ports reported by nmap filtered and not the others?
negative_passages.docid: 153885
negative_passages.text: In C#, how to check if a TCP port is available?
negative_passages.docid: 4561
negative_passages.text: Unable to access outside service from inside LAN
negative_passages.docid: 15984
negative_passages.text: Why is it impossible, without attempting I/O, to detect that TCP socket was gracefully closed by peer?
negative_passages.docid: 30743
negative_passages.text: Iptables DNAT single port
negative_passages.docid: 59451
negative_passages.text: /dev/tcp listen instead of nc listen
negative_passages.docid: 151202
negative_passages.text: Ping requests time out for specific packet sizes
negative_passages.docid: 50621
negative_passages.text: How to see if incoming HTTP requests are successful (view the responses) on Linux?
negative_passages.docid: 91018
negative_passages.text: netstat is not showing port opened through ufw
negative_passages.docid: 20883
negative_passages.text: Systematic attacks on multiple services & ports (getting past NAT) on hobby server
negative_passages.docid: 149953
negative_passages.text: RNDIS Connection Lag On Windows, Not Linux
negative_passages.docid: 147966
negative_passages.text: Can i set 443 as default web port which means it can only be accessed via https and no port 80
negative_passages.docid: 70358
negative_passages.text: How to watch Acestream / Sopcast Ubuntu 16.04 LTS?
negative_passages.docid: 80352
negative_passages.text: How can I figure out if a packet is a TCP Keep-Alive?
negative_passages.docid: 3448
negative_passages.text: Concerns about a stealthed port
negative_passages.docid: 40152
negative_passages.text: Debian - Port 80 is blocked, but I don't know by what
negative_passages.docid: 90907
negative_passages.text: What ports are used by an application