ssni 256

7 echo Echo 回显 9 discard Discard 丢弃 11 systat Active Users 在线用户 13 daytime Daytime...139/tcp netbios-ssn NETBIOS Session Service 140/tcp emfis-data EMFIS Data Service 141/tcp...256/tcp rap RAP 257/tcp set Secure Electronic Transaction 258/tcp yak-chat Yak Winsock Personal...