AdguardTeam / AdguardTeam/AdguardForWindows

SockFilter + Battlefield 6 may cause disconnection (in-game error code 0:85009S or unknown)

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#6,002 23 commentaires 0 réactions 1 personne assignée Assignée à @northis Voir sur GitHub
Bug Priority: P3
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Description

### Please answer the following questions for yourself before submitting an issue

- [x] Filters were updated before reproducing an issue
- [x] I checked the [knowledge base](https://adguard.com/kb/) and found no answer
- [x] I checked to make sure that this issue has not already been filed

### AdGuard version

7.22.7 (5271)

### Browser version

Chrome 148, keeps latest per every week

### OS version

Windows 11 25H2 26200.8246

### Traffic filtering

- [x] yes, I do

### Ad Blocking

AdGuard Base filter

### Privacy

AdGuard URL Tracking filter, AdGuard Tracking Protection filter

### Social

_No response_

### Annoyances

Adblock Warning Removal List

### Security

Online Malicious URL Blocklist

### Other

_No response_

### Language-specific

AdGuard Chinese filter, List-KR, AdGuard Japanese filter

### Which DNS server do you use?

DNS protection disabled

### DNS protocol

None

### Custom DNS

_No response_

### What Stealth Mode options do you have enabled?

_No response_

### Support ticket ID

1398578

### Issue Details

Steps to reproduce:
1. Make sure AdGuard is using SockFilter.
Filtered app list: Edge WebView, Google Chrome, Microsoft Edge, Internet Explorer, Modern UI hosted apps, Mozilla Firefox (Do not add Battlefield 6 here)
2. Run Battlefield 6. (Steam version)
3. Login, and try to play the game.

This is already reported to support and they suggested me to write this at here. There's no current workaround that I've found while using SockFilter. It'll eventually trigger connection loss of Battlefield 6's game servers, both lobby and in-game session servers.

### Expected Behavior

A regular gameplay should be possible without any problem just like other online-only games, regardless of AdGuard network driver choice.

### Actual Behavior

When player's in-game or just using lobby interfaces, the game eventually kick you out with error code 0:85009S, or unknown error. Once it happens, it never allows player to login until shutdown AdGuard or use WFP driver instead, and restart the game.

### Screenshots

_No response_

### Additional Information

Workaround: Shutdown AdGuard service while playing Battlefield 6, or use WFP driver.

I chose shutdown AdGuard service because WFP became super slow starting several weeks ago, even after clean AdGuard reinstall and setup options from scratch.

I've seen this problem on Battlefield 6 (EA Javelin anti-cheat), but it could be any games that are using anti-cheat with hardened settings.
If other games also have similar problem, try WFP while playing it or shutdown AdGuard service while gaming by toggling the big protection switch of AdGuard's main tab. Restarting the game might be needed.
Not adding game to the filtered app list does not have any effect in this case, I did not added BF6 to have this outcome.

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