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PCI Critical NON-Filtered Ports

It's PCIDSS Time Now Well we all know, digital payments are now a craze across all streams, so PCIDSS becomes a mandatory clause towards achieving and maintaining cyber security. Here is a list of some ports which are listed as non filtered as per PCIDSS 1-tcpmux 3-compressnet 7-echo 9-discard 13-daytime 17-qotd 19-chargen 20-ftp-data 21-ftp 22-ssh 23-telnet 24-priv-mail 26-rsftp 33-dsp 37-time 42-nameserver 43-whois 49-tacaos 53-domain 70-gopher 79-finger 80-http 81-hosts2-ns 82-xfer 83-mit-ml-dev 84-ctf Keep coming back for more cyber security insights