asteroza + tls   139

2020 LDAP channel binding and LDAP signing requirement for Windows
This is definitely gonna break some things, but will protect against NTLM relay attacks against LDAP. The problem is many third party software doesn't accept signed plaintext LDAP messages though, so the actual default will end up being LDAP over TLS. Which is another problem...
windows  AD  LDAP  signed  message  channel  binding  sysadmin  tips  tricks  TLS  security 
8 weeks ago by asteroza
Tunnel WireGuard via Websockets – 𓀬 – Notes on various tech things
Novel TLS/websocket proxy bypass method to tunnel WIreguard through a corporate HTTPS proxy supporting CONNECT, assuming the DPI doesn't catch you...
wireguard  TLS  websocket  TCP  proxy  bypass  networking  VPN  tunnel 
9 weeks ago by asteroza
colmmacc/nf_conntrack_tls: A Linux netfilter conntracking module that understands TLS records
crude linux netfilter plugin to drop TLS heartbeat connections, as a temporary shield for Heartbleed
linux  netfilter  module  security  defense  heartbleed  OpenSSL  TLS 
april 2019 by asteroza
TLS 1.2 for 2008 (non-R2) | Qualys Community
So you have to force IE9 to use TLS after the registry edits via group policy
Windows  2008  IE9  IE  TLS  1.1  1.2  sysadmin  tips  tricks  security 
march 2019 by asteroza
Firefox to Import Windows Root Certs To Avoid Antivirus SSL Scanning Issues
Uh, no , part of why Firefox doesn't suck is that it used an independent certificate store. sucking in the windows cert store is asking for trouble.
firefox  browser  security  NSS  SSL  TLS  certificate  CA  store  windows  root 
march 2019 by asteroza
Colm MacCárthaigh on Twitter: "Client certs and Mutual-Auth TLS is TERRIBAD."
I never really thought deep about client certs, but this makes a real case for why they actually suck, and possibly suck worse than anything else before...
client  certificate  TLS  MTLS  mutual  authentication  security  layer  violation 
october 2018 by asteroza
Publications | Outflank
DoH turning into a Doh! You may begin to hate yourselves...
virus  C2  secondary  communications  channel  beacon  DNS  DoH  HTTPS  SSL  TLS  SPF  security  hacking  pentesting  redteam 
october 2018 by asteroza
Let's Encrypt SSL for ESXi
offboard script to generate ESXi SSL certs from Letsencrypt
VMware  ESXi  SSL  TLS  certificate  letsencrypt  sysadmin  tools  utilities 
october 2018 by asteroza
CSR Viewer
A not broken CSR decoderthat doesn't choke on let's encrypt CSR's that are mostly empty
SSL  TLS  certificate  CSR  decoder  letsencrypt 
september 2018 by asteroza
Trying SSL with ALPN protocol for Amazon MQTT data, connects but no ALPN negotiation · Issue #31894 · dotnet/corefx
Huh, so Schannel for Windows 7 doesn't support ALPN, thus to can't actually connect properly to Amazon iot-core MQTT over TLS.
windows  7  bug  SSL  TLS  ALPN  schannel  AWS  IoT  MQTT 
september 2018 by asteroza
LAteral Movement Encryption technique (a.k.a. The "LAME" technique)
I wonder why let's encrypt didn't isolate the internal IP range DNS entry SSL certificates to a child CA cert that enterprises could explicitly distrust, which would quash this in a heartbeat.
internal  IP  range  SSL  TLS  certificate  letsencrypt  lateral  movement  encryption  security  hacking  pentesting 
september 2018 by asteroza
TLS 1.3 middleboxes test
Cloudflare's test for middlebox compatibility with TLS 1.3
TLS  1.3  middlebox  protocol  security  test  service  SSL 
june 2018 by asteroza
TLS C2
Oh god, smuggling C2 commands in TLS cert subject names. I suppose it should be possible to be bidirectional using both server and client selfsign certs....
covert  channel  TLS  SSL  certificate  subject  name  C2  command  security  hacking  pentesting 
february 2018 by asteroza
WrapAPI: APIs for the whole web
Build an API on top of any existing website or find an API for a site that you need
SSL  TLS  webAPIU  debug  proxy  service  wrapper  API  network  traffic 
december 2017 by asteroza
letsencrypt/boulder: An ACME-based CA, written in Go.
FOr setting up a private CA with ACME support. Usable for short lived certs?
CA  certificate  authority  software  ACME  protocol  on-premisis  server  PKI  SSL  TLS 
october 2017 by asteroza
SPIFFE / spiffe.io
A specification and reference implementation of a framework for secure distributed identity provisioning. Intended for short lived certs between microservices for mutual TLS authentication, but should be usable for other identity scenarios...
microservice  identity  framework  security  software  PKI  certificate  authentication  TLS  short  lived 
october 2017 by asteroza
HTTPS Interception Weakens TLS Security | US-CERT
Middleboxes/UTM suck at telling endpoints about TLS connections, ad nauseum...
HTTPS  interception  interceptor  middlebox  UTM  firewall  security  advisory  CERT  SSL  TLS  MitM  Delicious 
march 2017 by asteroza
stealth/harddns
Interesting, using DNS-over-HTTPS to improve security of lookups, assuming you trust google DNS.
NSS  module  DNS-over-HTTPS  DNS  SSL  TLS  certificate  pinning  domain  name  lookup  hardening  security  Delicious 
october 2016 by asteroza
DetecTor.io
Using tor as a second circuit to check for MitM SSL/TLS attacks. Not entirely out-of-band, but close enough?
SSL  TLS  security  rogue  CA  certificate  inspection  tor  checker  tester  MitM  Delicious 
october 2016 by asteroza
RFC 6844 DNS Certificate Authority Authorization
New CAA record for DNS, which in theory CA's will look at to stop issuing fake certs, assuming the CA is not a bad actor...
RFC6844  DNS  CAA  PKI  SSL  TLS  CA  certificate  authority  authorization  security  Delicious 
september 2016 by asteroza
Family Safety update improves web filtering and activity reporting in Windows 8....
So family safety features a SSL MitM proxy using a local trusted root CA. Which means firefox needs to import that cert to be able to use SSL sites.
windows  parental  controls  family  safety  local  SSL  TLS  MitM  intercept  proxy  Delicious 
september 2016 by asteroza
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