Back to basic. ? Bagi beberapa layanan telah ada protokol tersendiri yang mengkavling portnya, jadi telah khusus digunakan hanya bagi satu guna spesifik selaku standarnya. Misalnya HTTP di port 80 dan SSH di port 22. Di Linux sendiri port dibawah 1024 sendiri selain root tak dapat seketika menggunakannya, dan dinamakan privileged ports.
Kalau kamu mau tahu port apa digunakan bagi apa karenanya dapat melihatnya di tabel dibawah.
| Port | Nama |
|---|---|
| 1 | tcpmux |
| 5 | rje |
| 7 | echo |
| 9 | discard |
| 11 | systat |
| 13 | daytime |
| 17 | qotd |
| 18 | msp |
| 19 | chargen |
| 20 | ftp-data |
| 21 | ftp |
| 22 | ssh |
| 23 | telnet |
| 25 | smtp |
| 37 | time |
| 39 | rlp |
| 42 | nameserver |
| 43 | nicname |
| 49 | tacacs |
| 50 | re-mail-ck |
| 53 | domain |
| 63 | whois++ |
| 67 | bootps |
| 68 | bootpc |
| 69 | tftp |
| 70 | gopher |
| 71 | netrjs-1 |
| 72 | netrjs-2 |
| 73 | netrjs-3 |
| 73 | netrjs-4 |
| 79 | finger |
| 80 | http |
| 88 | kerberos |
| 95 | supdup |
| 101 | hostname |
| 102/tcp | iso-tsap |
| 105 | csnet-ns |
| 107 | rtelnet |
| 109 | pop2 |
| 110 | pop3 |
| 111 | sunrpc |
| 113 | auth |
| 115 | sftp |
| 117 | uucp-path |
| 119 | nntp |
| 123 | ntp |
| 137 | netbios-ns |
| 138 | netbios-dgm |
| 139 | netbios-ssn |
| 143 | imap |
| 161 | snmp |
| 162 | snmptrap |
| 163 | cmip-man |
| 164 | cmip-agent |
| 174 | mailq |
| 177 | xdmcp |
| 178 | nextstep |
| 179 | bgp |
| 191 | prospero |
| 194 | irc |
| 199 | smux |
| 201 | at-rtmp |
| 202 | at-nbp |
| 204 | at-echo |
| 206 | at-zis |
| 209 | qmtp |
| 210 | z39.50 |
| 213 | ipx |
| 220 | imap3 |
| 245 | link |
| 347 | fatserv |
| 363 | rsvp_tunnel |
| 369 | rpc2portmap |
| 370 | codaauth2 |
| 372 | ulistproc |
| 389 | ldap |
| 427 | svrloc |
| 434 | mobileip-agent |
| 435 | mobilip-mn |
| 443 | https |
| 444 | snpp |
| 445 | microsoft-ds |
| 464 | kpasswd |
| 468 | photuris |
| 487 | saft |
| 488 | gss-http |
| 496 | pim-rp-disc |
| 500 | isakmp |
| 535 | iiop |
| 538 | gdomap |
| 546 | dhcpv6-client |
| 547 | dhcpv6-server |
| 554 | rtsp |
| 563 | nntps |
| 565 | whoami |
| 587 | submission |
| 610 | npmp-local |
| 611 | npmp-gui |
| 612 | hmmp-ind |
| 631 | ipp |
| 636 | ldaps |
| 674 | acap |
| 694 | ha-cluster |
| 749 | kerberos-adm |
| 750 | kerberos-iv |
| 765 | webster |
| 767 | phonebook |
| 873 | rsync |
| 992 | telnets |
| 993 | imaps |
| 994 | ircs |
| 995 | pop3s |
Lumayan banyak memang, tapi bukan berarti semuanya pasti aktif dan terpakai pada VPS kamu. Manfaat daftar ini ialah bagi tahu apabila kamu ingin menggunakan port tertentu karena pelbagai alasan (nomor cantik? ? ) karenanya pastikan dulu tak ada service yang mengkavlingnya.
Sumber https://servernesia.com