Internet TCP port 6667 is commonly used by Internet Relay Chat (IRC) services. IRC is a protocol for live interactive Internet text messaging or synchronous conferencing. Examples of software that use this port include popular IRC clients such as mIRC, HexChat, and Irssi. It is also used by some online gaming platforms for chat functionality.
TCP port 6667 is commonly associated with Internet Relay Chat (IRC) services. In the past, hackers have exploited this port to spread malicious software such as worms and Trojans. They would use IRC channels to control botnets, a network of infected computers, for various malicious activities like DDoS attacks, spamming, and distributing malware. Additionally, hackers have been known to exploit vulnerabilities in the IRC protocol itself to gain unauthorized access or disrupt services. Therefore, it's crucial to secure this port and monitor its activity to prevent potential cyber threats.