22. 在Linux預設環境下，TCP/IP的埠號(port)22為何服務所使用？
(A) TelnetServer
(B) SSH Server
(C) SMTP Server
(D) FTP Server

答案：登入後查看
統計： A(7), B(38), C(2), D(5), E(0) #1178018

詳解 (共 1 筆)

#1326390
ftp-data        20/tcp 
ftp-data        20/udp 
ftp             21/tcp 
ftp             21/udp 
ssh             22/tcp                          # SSH Remote Login Protocol 
ssh             22/udp                          # SSH Remote Login Protocol 
telnet          23/tcp 
telnet          23/udp 
smtp            25/tcp          mail 
smtp            25/udp          mail 
domain          53/tcp          nameserver      # name-domain server 
domain          53/udp          nameserver 
bootps          67/tcp                          # BOOTP server 
bootps          67/udp 
bootpc          68/tcp                          # BOOTP client 
bootpc          68/udp 
http            80/tcp          www www-http    # WorldWideWeb HTTP 
http            80/udp          www www-http    # HyperText Transfer Protocol 
hostname        101/tcp         hostnames       # usually from sri-nic 
hostname        101/udp         hostnames       # usually from sri-nic 
pop2            109/tcp         pop-2   postoffice      # POP version 2 
pop2            109/udp         pop-2 
pop3            110/tcp         pop-3           # POP version 3 
pop3            110/udp         pop-3 
sunrpc          111/tcp         portmapper      # RPC 4.0 portmapper TCP 
sunrpc          111/udp         portmapper      # RPC 4.0 portmapper UDP 
auth            113/tcp         authentication tap ident 
auth            113/udp         authentication tap ident 
sftp            115/tcp 
sftp            115/udp
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