Port Number Protocol Description 7 echo echo 53 domain Domain name protocol 123 ntp Network time protocol 137 netbios NetBIOS name server protocol 138 netbios NetBIOS datagram 139 netbios NetBIOS session 161 snmp SNMP 162 snmp SNMP trap

Port Number Protocol Description 20 ftp FTP – Data Transfer Port 21 ftp FTP – Control Port 22 ssh Secure Shell (SSH) Remote Protocol 23 telnet Telnet 25 smtp Simple Mail Transfer Protocol 53 domain Domain Name Protocol 80 http Hypertxt Transfer Protocol 110 pop3 Post Office Protocol 123 ntp Network Time Protocol 143 imap
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create .forward file/home/hogehoge/.forward write forwarded address\hogehogehogehoge@gmail.com