We are currently under attack by bots. The attacks are intermittent and last from minutes to hours. Response times may be poor until they are over.
Thursday, August 20, 2026
Thursday, February 12, 2026
2026-02-12 downtime
The ISFDB Web site came under a concentrated bot attack on Thursday, February 12, 2026 around 6am server (EST) time. We began deploying countermeasures in the afternoon. It may take another 24 hours or so for the new settings to be set up and propagated across the internet. Sorry about the interruption!
2026-02-13 9:05am EST update: The countermeasures have been deployed and the site is back up.
Tuesday, August 26, 2025
2025-08-26 - Unscheduled downtime
3pm:
The ISFDB server is experiencing difficulties due to very high loads. Some Web pages may not load properly. There is no ETA at this time.
3:12pm:
Performance should be back to normal.
Tuesday, June 17, 2025
2025-06-17 - Workaround for network connectivity problems
- Press and hold the Windows key + R to open the "Run" dialog box
- Type ipconfig /flushdns into the text field and click OK
Monday, June 16, 2025
2025-06-16 - Unscheduled ISFDB downtime
The ISFDB server is effectively down due to network problems. This announcement will be updated once the problems have been resolved. There is no ETA at this time.
2025-06-17 update: Things were mostly OK this morning, but then, at 11:53am server time (EDT), the server went back to the pattern that we saw yesterday: up for 5-10 seconds, then down for 1-2 minutes, then up again for 5-10 seconds, down for 1-2 minutes, etc. There is no ETA at this time.
Sunday, March 23, 2025
2025-02-23: Continuous performance issues due to bot attacks
As of 2025-03-23, the ISFDB server continues to experience major performance issues due to continuous bot attacks. We are working on mitigating them, but it's still very much a work in progress. We'll post another update when we know more.
2025-03-24 edit: Disabling anonymous access to the ISFDB Wiki seems to have stopped the bad bots, at least for now. We will continue monitoring the situation.
Wednesday, March 19, 2025
ISFDB server maintenance 2025-03-19 at noon EDT
The ISFDB server will be taken down for maintenance at noon EDT. It may be down for up to an hour while the database is being optimized.
12:30pm edit: The server is back up as of 12:30pm.
Wednesday, March 12, 2025
2025-03-12 ISFDB server problems
As of 11am EDT 2025-03-13, the ISFDB Wiki is effectively unavailable due to a bot attack. Regular database pages can be accessed, but take up to half a minute to load.
2:15pm edit: Performance is still spotty due to ongoing bot issues, but the Wiki should be accessible.
Wednesday, September 13, 2023
2023-09-12/13: ISFDB server problems
The ISFDB server has been experiencing server problems since 2023-09-12. We are currently investigating the issue.
2023-09-14 update: As of 5am, the server is back to normal. The underlying problem hasn't been addressed, so it's possible that the issue will return later. We are still looking into it.
Tuesday, August 22, 2023
ISFDB server downtime 2023-08-22 11am to 11:15am
The ISFDB server will be down for maintenance between 11am and approximately 11:15am.
11:15am: The server is back up. The Wiki's search functionality has been restored.
Saturday, August 12, 2023
ISFDB server downtime 2023-08-12 6pm
The ISFDB server will be briefly unavailable due to maintenance starting at 6pm server (Eastern Daylight) time. It should be back up after 5-10 minutes.
Edit: The server is back up as of 6:12pm.
Friday, July 29, 2022
Monday, July 11, 2022
Wednesday, July 6, 2022
Sunday, April 24, 2022
The ISFDB database and the supporting Wiki are down as of 9:25am EDT April 24, 2022. We are investigating disk space issues. There is no ETA at this time.
2:10pm update: The hosting company has apparently resolved the underlying server issue. We are currently waiting for a confirmation that it's safe to bring the site back up.
4:05pm update: The hosting company has resolved the issue and the server is now back up. Sorry about the inconvenience!
Thursday, May 5, 2016
2016-05-05: Connectivity problems
Monday, March 14, 2016
New IP address
Sunday, March 13, 2016
2016-03-13 downtime
Update 1: The server is still down as of 7:25pm.
Update 2: The server is still down as of 9:15pm. Al has been notified.
Update 3: It turns out that the server is down for extended maintenance. There is no ETA at this time.
Update 4: The server was brought back up around 4am and everything appears to be back to normal.
Sunday, February 8, 2015
2015-02-08 downtime
10:40am edit: The ISFDB is back up.