Is port 860 (iSCSI) dangerous?

Port 860 is classified as critical risk and should not be exposed to the public internet. It transmits data without encryption, making it vulnerable to eavesdropping and credential theft.

Should port 860 be open on my firewall?

No, port 860 should not be open to the public internet. Block it at the firewall and use encrypted alternatives such as SSH, SFTP, or HTTPS instead.

What transport protocol does port 860 use?

Port 860 (iSCSI) uses the TCP transport protocol and falls under the File Transfer category.

:860 (TCP)

iSCSI

Critical Risk

TCP — File Transfer

Port Overview

Port Number 860

Service Name iSCSI

Transport Protocol TCP

Category File Transfer

Security Risk Critical

Port Range Well-Known (0-1023)

What is Port 860?

Internet Small Computer System Interface (iSCSI), defined in RFC 7143, encapsulates SCSI storage commands over TCP/IP for block-level storage access. Widely deployed in enterprise data centers. Exposure on public networks allows unauthenticated storage access.

TCP File Transfer Commonly Used

Security Considerations

Port 860 (iSCSI) is classified as critical risk. This port should not be exposed to the public internet. The service transmits data without encryption, making it vulnerable to eavesdropping, credential theft, and man-in-the-middle attacks.

Recommendation: Block this port at the firewall. Use encrypted alternatives (SSH, SFTP, HTTPS) instead.

Related Ports — File Transfer

20 FTP Data 21 FTP Control 59 Private File Service 69 TFTP 82 XFER Utility 97 Swift-RVF 115 SFTP (Simple FTP) 117 UUCP Path

Related Terms

ARP FTP HTTP ICMP IMAP NTP