Is port 220 (IMAP3) dangerous?

Port 220 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 220 be open on my firewall?

Port 220 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 220 use?

Port 220 (IMAP3) uses the TCP transport protocol and falls under the Email category.

:220 (TCP)

IMAP3

Medium Risiko

TCP — Email

Ikhtisar Port

Nomor Port 220

Nama Layanan IMAP3

Protokol Transport TCP

Kategori Email

Risiko Keamanan Medium

Rentang Port Well-Known (0-1023)

Apa itu Port 220?

Port 220 is assigned to IMAP3, an early version of the IMAP email retrieval protocol superseded by IMAP4 on port 143. Obsolete.

TCP Email

Pertimbangan Keamanan

Port 220 (IMAP3) diklasifikasikan sebagai risiko sedang. Meskipun layanan ini umumnya diekspos, pertimbangkan untuk menggunakan alternatif terenkripsi jika tersedia.

Rekomendasi: Jaga layanan tetap diperbarui. Pantau log untuk aktivitas yang tidak biasa.

Port Terkait — Email

24 Private Mail System 25 SMTP 26 RSFTP 50 RE-MAIL-CK 58 XNS-MAIL 109 POP2 110 POP3 143 IMAP

Istilah Terkait

ARP FTP HTTP ICMP IMAP NTP