Issue when setting 'Custom IP' as Blocking mode for hosts rules mode Advanced settings

[AlexandrPkhm]

Please answer the following questions for yourself before submitting an issue

• Filters were updated before reproducing an issue
• I checked the knowledge base and found no answer
• I checked to make sure that this issue has not already been filed

AdGuard version

7.18.1

OS version

Windows 11

Traffic filtering

• yes, I do

Which DNS server do you use?

System default DNS

DNS protocol

Regular

Issue Details

Steps to reproduce:

1. Open Advanced settings
2. Set any IP as custom IP in Blocking mode for hosts rules

Expected Behavior

Settings are successfully saved

Actual Behavior

Failed to save settings message appears

Screenshots

Video

Screen.Recording.2024-10-10.at.19.13.30.mov