updated changelog for v11.0.3 release.

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Shreyas Zare
2023-03-11 17:04:51 +05:30
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# Technitium DNS Server Change Log
## Version 11.0.3
Release Date: 11 March 2023
- Fixed DoS vulnerability reported by Xiang Li, [Network and Information Security Lab, Tsinghua University](https://netsec.ccert.edu.cn/) that an attacker can use to send bad-formatted UDP packet to cause the outbound requests to fail to resolve due to insufficient validation.
- Fixed issue reported by Xiang Li, [Network and Information Security Lab, Tsinghua University](https://netsec.ccert.edu.cn/) that caused conditional forwarder to not honoring RD flag in requests.
- Fixed issue reported by Xiang Li, [Network and Information Security Lab, Tsinghua University](https://netsec.ccert.edu.cn/) that made amplification attacks more effective due to max 4096 bytes limit for responses.
- Fixed issue in loading of Allowed and Blocked zones that resulted in loading to take too much time caused due to indexing feature added in last update for authoritative zones.
- Updated DNS server UDP response processing to remove glue records for MX responses and try again to send it instead of sending a truncated response that was causing issue with some old mail servers that did not perform follow up request over TCP.
- Block Page App: Updated the app to support option to disable the web server without requiring to uninstall the app to stop the web server.
- Multiple other minor bug fixes and improvements.
## Version 11.0.2
Release Date: 26 February 2023