[cobalt-security] Possible DoS attack or Hack ?

[Elf <snowy_elf@xxxxxxx>]

Hi. We have some Mips boxes that have gone down 3 times within the last 16
days. We put the main box up on the 9th and it completly froze on the 15th,
then on the 21st, then today on the 25th. We are behind a Linksys router and
port forward ports 80, 81, 22, 25, and do not use FTP or Telnet and do not
allow shell accounts. Our Logcheck messages are emailed to a different server
and do not show any security violations or unusual system events before or
after the box freezes. We are thinking that some ppl with Click2 or Devine
Internention 3 are nuking our boxes; is this a possibility?  All the services
freeze and require a power down; the LCD is frozen as well. The machines were
offline in production for 3 months and never had these problems until we
applied all the post- restore- CD pkg files and connected to the Internet.
Just wondering if this is a nuking or DoS issue and what should be done about
it (i.e. better firewall)

Cheers

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