[Info-vax] EISNER downtime from 12-JUL-2023 through 17-JUL-2023

[Mark Daniel]

On 11/7/2023 9:52 pm, Hunter Goatley wrote:
 > EISNER will be down from 12-JUL-2023 through, hopefully, not past
 > 17-JUL-2023. Rob sent the following to me:
 >
 >          VSI is moving to a different colocation facility next week.
 >
 >          The system will be shut down late morning eastern time on
 >          Wednesday, and come up sometime over the weekend.
 >
 > We'll have to change the IP address in DNS, and I don't have that yet,
 > so I'm not exactly sure when that'll happen.
 >
 > Hopefully we'll get everything squared away soon after this weekend.

and

On 15/8/2023 6:40 am, Hunter Goatley wrote:
 > On 8/14/2023 8:39 AM, Simon Clubley wrote:
 >>
 >> Every so often, Eisner's network services (including SSH) simply stop
 >> working. Sometimes, basic stuff such as ICMP continues to work, but
 >> anything involving process creation is utterly stuffed.
 >
 > Lately, it's been a problem of EISNER seeing an unprecedented (per
 > EISNER's history) level of dictionary attacks via SSH and SMTP. I've
 > had to increase quotas for MultiNet's Intrusion Prevention Service
 > process to try to keep up with the events. Each time, I've thought,
 > "Well, that should be enough," and then the number of attacks grows,
 > and it's not.

FWIW the new colocation has reduced .au <--> .us RTT by some 40%.
WASD's Server Admin interface contains an RTT calculation (top lines of 
bottom-right panel)

https://wasd.vsm.com.au/wasd_root/wasdoc/features/admin.png

which now consistently reports this ~320mS where previously ~520mS.

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