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Console Login Attacks?

etrigan63
I just got my first Executive Report from my Astaro Home Server and it is showing 15,738 failed SSH console login attempts. Is this normal? Is IPS taking care of business? I have Console support turned on but only for my internal network


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  • 0
    You should have a look into the "ssh server" logfile of that day to ensure whether there were REALLY that many ssh connection attemtps and from what IP they were initiated.
  • 0 in reply to Ölm
    Yep, looks like it. Thousands of failed attempts from 203.113.137.209 which appears to come from Vietnam.

    IP Information - 203.113.137.209

    IP address:                     203.113.137.209
    Reverse DNS:                    [No reverse DNS entry per dns1.vietel.com.vn.]
    Reverse DNS authenticity:       [Unknown]
    ASN:                            7552
    ASN Name:                       VIETEL-AS-AP (Vietel Corporation)
    IP range connectivity:          2
    Registrar (per ASN):            APNIC
    Country (per IP registrar):     VN [Viet Nam]
    Country Currency:               Unknown 
    Country IP Range:               203.113.128.0 to 203.113.191.255
    Country fraud profile:          Normal
    City (per outside source):      Unknown
    Country (per outside source):   -- []
    Private (internal) IP?          No
    IP address registrar:           whois.apnic.net
    Known Proxy?                    No
    Link for WHOIS:                 203.113.137.209


    How can I block this individual?
  • 0
    just allow ssh access not from ANY but only from your internal network.
    you can set this under management - system settings - ssh - allowed networks
  • 0
    I already did that. I was wondering if there was something more proactive I could do.

    Thanks.
  • 0 in reply to etrigan63
    I already did that. I was wondering if there was something more proactive I could do.
     

     
    No reason to do more than that - the ASG firewall will then simply block all conenction requests which do not come from inside your network. I.E. all connection requests from outside won´t even reach your ssh daemon on the ASG.