Add dissection of sub-options in DNS OPT RRs (RFC 2671)
**This issue was migrated from [bug 7551](https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7551) in our old bug tracker.**
Original bug information:
**Reporter:** David Drysdale\
**Status:** RESOLVED FIXED\
**Product:** Wireshark\
**Component:** Dissection engine (libwireshark)\
**OS:** All\
**Platform:** All\
**Version:** Git
Attachments:
[dns-edns0-option-crack.patch](/uploads/05015161b4de336c13599a1df39d99ec/dns-edns0-option-crack.patch): Patch to expand option TLVs in DNS OPT RRs
[dns-edns0-options.pcap](/uploads/acd9d7304ef8017c0ca53eb2bcfa0c1f/dns-edns0-options.pcap): Sample DNS capture including packet with OPT RR sub-options
[dns-edns0-option-crack.patch](/uploads/35c87c606a107f259c4019a83cb58cb9/dns-edns0-option-crack.patch): Updated patch
issue