Threat Level: green Handler on Duty: Guy Bruneau

SANS ISC: Port 993 (tcp/udp) Attack Activity Port 993 (tcp/udp) Attack Activity


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Port Information
Protocol Service Name
tcp imaps imap4 protocol over TLS SSL
udp imaps imap4 protocol over TLS SSL
Top IPs Scanning
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Port diary mentions
URL
Ongoing IMAP Scan, Anyone Else?
User Comments
Submitted By Date
Comment
2017-03-20 12:10:46
Seen as source port in bit torrent transaction. Assuming origin side is masking bit torrent traffic via known IMAP over SSL port.
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