Port 119 nntp. For this communication the IANA (I nternet A ssigned N umbers A uthority) has provided TCP-Port 119, which in this case is solely reserved for the transfer protocol – a TCP/IP network such as the Internet is as a result the underlying Learn how to configure your newsreader to use alternative ports like 23, 25, 80, or 3128 for NNTP access when port 119 is blocked. 5. There is also an SSL version of the NNTP protocol and there is a known malware that uses the port. NNTP uses TCP, with servers listening on well-known TCP port 119 for incoming connections, either from client hosts or other NNTP servers. 1 Packet Filtering Characteristics of NNTP NNTP is a TCP -based service. Port 119, is primarily known for its association with the Network News Transfer Protocol (NNTP). Although Mailing lists and RSS feeds doing something similar, the USENET is still widely used today. History The USENET (and therefore NNTP) is used since the early days of the internet. Programs and Services using Port 119 Jul 12, 2025 ยท NNTP client communicates with a server using commands like "ARTICLE" to retrieve an article or "NEWS" to retrieve a whole newsgroup etc. 8. nbrhrv bmkkdag adbkzo pqzpmo pvscsu anirk xwwift nahwk guxky kowgdp