https://www.circleid.com/blogs/ Postings from on CircleID en Copyright 2026, unless where otherwise noted. 2026-04-06T20:04:00+00:00 https://circleid.com/postsdns_my_god_its_full_of_stars https://circleid.com/postsdns_my_god_its_full_of_stars last post about DNS subversion we have had some good feedback. We had 29 responses, I agree a small sample, but what we found is very interesting. Let's remind ourselves of what we are looking at? Does your ISP redirect DNS queries? Specifically, if you try to make a port 53 UDP or TCP connection to a server outside of your ISP's network does it get there? More...]]> 2026-04-06T13:04:00-07:00 https://circleid.com/postsjust_say_no_isp_subverting_dns_queries https://circleid.com/postsjust_say_no_isp_subverting_dns_queries More...]]> 2026-04-06T13:04:00-07:00 https://circleid.com/postsdusty_name_system https://circleid.com/postsdusty_name_system More...]]> 2026-04-06T13:04:00-07:00 https://circleid.com/posts20090521_why_dns_is_broken_part_2_dos https://circleid.com/posts20090521_why_dns_is_broken_part_2_dos More...]]> 2026-04-06T13:04:00-07:00 https://circleid.com/posts20090408_why_dns_is_broken_part_1_trust https://circleid.com/posts20090408_why_dns_is_broken_part_1_trust last article, is broken. I promised to detail some of the specific things that are broken. Implicit trust is the Achilles heel of the Internet... All of the communication between the resolver and the DNS server is in plain text that can be easily seen and changed while in transit, further, the resolver completely trusts the answer that was returned... More...]]> 2026-04-06T13:04:00-07:00 https://circleid.com/posts20090323_dns_insecurity https://circleid.com/posts20090323_dns_insecurity More...]]> 2026-04-06T13:04:00-07:00 https://circleid.com/poststhis_is_not_your_fathers_traceroute_tool https://circleid.com/poststhis_is_not_your_fathers_traceroute_tool More...]]> 2026-04-06T13:04:00-07:00 https://circleid.com/postsdnssec_rally https://circleid.com/postsdnssec_rally More...]]> 2026-04-06T13:04:00-07:00 https://circleid.com/poststrust_but_verify https://circleid.com/poststrust_but_verify More...]]> 2026-04-06T13:04:00-07:00