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by Nicolas de Bari Embriz Garcia Rojas 04 Aug '11

04 Aug '11

1 0

STunnel NTLM Proxy problem
by Subhash Sharma 04 Aug '11

04 Aug '11

Has anyone use Stunnel to works with NTLM proxy? I am using Stunnel 4.35 on window It works fine straught and basic proxy but fails to use NTLM proxy. My config for NTLM is like this ---------------- configuration --------------------- [https] accept = someport connect = proxy:proxy_port protocol = connect protocolAuthentication = NTLM protocolHost = dest:dest_port protocolUsername = domain\username protocolPassword = password ----------------------------------------------------- I checked the traffic using the win shark -----------------win shark for stunnel ----------------- CONNECT dest:destport HTTP/1.1 , NTLMSSP_AUTH, User: \domain\username Proxy-Authorization: NTLM some long string NTLM Secure Service Provider NTLMSSP identifier: NTLMSSP NTLM Message Type: NTLMSSP_AUTH (0x00000003) Lan Manager Response: Empty NTLM Response: 951842e95a3e1a0001d8ac6fb2980a004b82ffa75232795d … Domain name: NULL User name: domain\username … ------------------------------------------------------ STunnel is not sending the domain and sends the user name consisting of domain and username. When IE is configured to use NLM proxy, traffic is as -------------- win shark for IE ----------------------------- CONNECT dest:destport HTTP/1.1 , NTLMSSP_AUTH, User: domain\username Proxy-Authorization: NTLM some long string NTLM Secure Service Provider NTLMSSP identifier: NTLMSSP NTLM Message Type: NTLMSSP_AUTH (0x00000003) Lan Manager Response: 10f2d8147a2651de00000000000000000000000000000000 … NTLM Response: 951842e95a3e1a0001d8ac6fb2980a004b82ffa75232795d … Domain name: domain … User name: username .. Host name: host -------------------------------------------------------------- ---- stunnel log --------------- 2011.08.04 10:11:16 LOG7[2384:5480]: Service https started 2011.08.04 10:11:16 LOG7[2384:5480]: Option TCP_NODELAY set on local socket 2011.08.04 10:11:16 LOG5[2384:5480]: Service https accepted connection from 127.0.0.1:9913 2011.08.04 10:11:16 LOG7[2384:5480]: remote socket: FD=1456 allocated (non-blocking mode) 2011.08.04 10:11:16 LOG6[2384:5480]: connect_blocking: connecting 172.23.11.161:8080 2011.08.04 10:11:16 LOG7[2384:5480]: connect_blocking: s_poll_wait 172.23.11.161:8080: waiting 10 seconds 2011.08.04 10:11:16 LOG5[2384:5480]: connect_blocking: connected 172.23.11.161:8080 2011.08.04 10:11:16 LOG5[2384:5480]: Service https connected remote server from 172.23.11.45:9914 2011.08.04 10:11:16 LOG7[2384:5480]: Remote FD=1456 initialized 2011.08.04 10:11:16 LOG7[2384:5480]: Option TCP_NODELAY set on remote socket 2011.08.04 10:11:16 LOG5[2384:5480]: Negotiations for connect (client side) started 2011.08.04 10:11:16 LOG7[2384:5480]: -> CONNECT 172.23.11.35:443 HTTP/1.1 2011.08.04 10:11:16 LOG7[2384:5480]: -> Host: 172.23.11.35:443 2011.08.04 10:11:16 LOG7[2384:5480]: -> Proxy-Connection: keep-alive 2011.08.04 10:11:16 LOG7[2384:5480]: -> Proxy-Authorization: NTLM TlRMTVNTUAABAAAAAgIAAA== 2011.08.04 10:11:16 LOG7[2384:5480]: -> 2011.08.04 10:11:16 LOG7[2384:5480]: <- HTTP/1.1 407 Proxy Authentication Required 2011.08.04 10:11:16 LOG7[2384:5480]: <- Server: FreeProxy/4.50 2011.08.04 10:11:16 LOG7[2384:5480]: <- Date: Thu, 04 Aug 2011 17:11:16 GMT 2011.08.04 10:11:16 LOG7[2384:5480]: <- Content-Type: text/html 2011.08.04 10:11:16 LOG7[2384:5480]: <- Transfer-Encoding: Chunked 2011.08.04 10:11:16 LOG7[2384:5480]: <- Proxy-Authenticate: NTLM TlRMTVNTUAACAAAAAAAAADgAAAACAgACATR6TVahgFIAAAAAAAAAAAAAAAA4AAAABQLODgAAAA8= 2011.08.04 10:11:16 LOG7[2384:5480]: <- Proxy-Connection: Keep-Alive 2011.08.04 10:11:16 LOG7[2384:5480]: <- 2011.08.04 10:11:16 LOG7[2384:5480]: -> CONNECT 172.23.11.35:443 HTTP/1.1 2011.08.04 10:11:16 LOG7[2384:5480]: -> Host: 172.23.11.35:443 2011.08.04 10:11:16 LOG7[2384:5480]: -> Proxy-Authorization: NTLM TlRMTVNTUAADAAAAAAAAAGwAAAAYABgAQAAAAAAAAABsAAAAFAAUAFgAA......1jDUOrcoBBus0aPbH44onfcpGZvdW5kc3RvbmVccHN5cy1udGxt 2011.08.04 10:11:16 LOG7[2384:5480]: -> 2011.08.04 10:11:16 LOG7[2384:5480]: <- 7E5 2011.08.04 10:11:16 LOG3[2384:5480]: CONNECT request rejected 2011.08.04 10:11:16 LOG7[2384:5480]: <- <html> 2011.08.04 10:11:16 LOG7[2384:5480]: <- 2011.08.04 10:11:16 LOG5[2384:5480]: Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket 2011.08.04 10:11:16 LOG7[2384:5480]: Service https finished (0 left) 2011.08.04 10:11:16 LOG7[2384:5480]: str_stats: 0 block(s), 0 byte(s) -------------------------------- Please help!!! Subhash Sharma

1 0

silent install of windows stunnel
by Laurent Licour 04 Aug '11

04 Aug '11

stunnel use NSIS as installer and it is possible to use /S switch to run silent install However, even in this mode, openssl configuration tools is executed and prompt for certificate informations. I think that executign this tools should be skip in silent mode -- Laurent LICOUR

2 2

stunnel OK without "transparent = source", with = timeout problem
by Elodie BOSSIER 03 Aug '11

03 Aug '11

Greetings again, Thanks so much to have updated the manual about SNI, my stunel works correctly. But i have a tiny problem, when i visit my webserver, the SERVER['REMOTE_ADDR'] with PHP isn't the ip adress of the visitor but the IP of the stunnel. I have read the manual about this transparent proxy and i don't sucess with the configuration. This is my config file : pid = /stunnel.pid options = NO_SSLv2 transparent = source [virtual] accept = 443 cert = /usr/local/openssl/etc/CERTIFICATES/www.franceserv.fr_cert.cert key = /usr/local/openssl/etc/PRIVATE_KEYS/www.franceserv.fr_key.pem connect = www.franceserv.fr:80 [sni1] sni = virtual:elodie.franceserv.com cert = /etc/ssl-fsh/cert-elodie.franceserv.com.pem key = /etc/ssl-fsh/key-franceserv.key connect = elodie.franceserv.com:80 [sni2] sni = virtual:befun.franceserv.com cert = /etc/ssl-fsh/cert-befun.franceserv.com.pem key = /etc/ssl-fsh/key-franceserv.key connect = befun.franceserv.com:80 It's don't work, i have a timeout with my browser. With iptables, i have set this : iptables -t mangle -N DIVERT iptables -t mangle -A PREROUTING -p tcp -m socket -j DIVERT iptables -t mangle -A DIVERT -j MARK --set-mark 1 iptables -t mangle -A DIVERT -j ACCEPT ip rule add fwmark 1 lookup 100 ip route add local 0.0.0.0/0 dev lo table 100 echo 0 > /proc/sys/net/ipv4/conf/lo/rp_filter echo 1 > /proc/sys/net/ipv4/ip_forward My stunnel is on the server 192.168.0.20 and the webserver on 192.168.0.2 I try to follow the help of http://www.stunnel.org/static/stunnel.html#service_level_options with : transparent = none | source | destination | both (Unix only) Could you tell me what i make wrong please ?

2 4

Failed to run 2 instances of windows service (error 1053)
by Laurent Licour 03 Aug '11

03 Aug '11

I have to run at the same time on the same windows host, 2 instances of stunnel : a client instance and a server instance I have 2 config files : stunnel-client.conf , stunnel-server.conf Each configuration works, but not at the same time. I can install 2 services (with differents service name), but i can't start both services at the same time. I have to stop the first one to start the second one stunnel.exe -install stunnel-client.conf stunnel.exe -install stunnel-server.conf stunnel.exe -start stunnel-client.conf stunnel.exe -start stunnel-server.conf --> error 1053 stunnel.exe -stop stunnel-client.conf stunnel.exe -start stunnel-server.conf stunnel.exe -start stunnel-client.conf --> error 1053 It is also not possible to start the both configurations directly (no service mode). test run with stunnel 4.42b2 on windows XPe and Win2008R2 -- Laurent LICOUR

2 1

Failed to run 2 instances of windows service (error 1053)
by Laurent Licour 01 Aug '11

01 Aug '11

1 0

Re: [stunnel-users] Stunnel on the same machine
by subrata＠indiatimes.com 01 Aug '11

01 Aug '11

The configuration files are : pid = /var/stunnel.pid ;chroot = /var/lib/stunnel setuid = nobody setgid = nobody foreground =yes ; Use it for client mode client = yes ; Service-level configuration [pop3s] accept = 995 connect = 110 [imaps] accept = 993 connect = 143 [ssmtp] accept = 465 connect = 25 [mysqls] accept = 3307 connect = 192.168.1.6:3307 On 192.168.1.6 ---------------------- pid = /var/stunnel.pid setuid =nobody setgid = nobody foreground = yes client = no ; Service-level configuration [pop3s] accept = 995 connect = 110 [imaps] accept = 993 connect = 143 [ssmtp] accept = 465 connect = 25 [mysqls] accept =3307 connect =3306 connecting like /usr/local/mysql/bin/mysql -h 127.0.0.1 -u root -p -P 3307 Enter password: On entring password the following lines appear : ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 104 Subrata ----- Original Message ----- From: Brian Hatch <bri(a)stunnel.org> To: subrata(a)indiatimes.com Sent: Sun, 7 Oct 2007 10:02:17 +0530 (IST) Subject: Re: [stunnel-users] Stunnel on the same machine Near 2007-10-05 22:17 +0530, subrata(a)indiatimes.com insisted: > After starting stunnel and connecting the mysql client/usr/local/mysql/bin/mysql -h 127.0.0.1 -u root -p the flow gets stuck at the Enter password prompt any suggestions how to proceed from there. What do your stunnel configuration files look like? Other problem: mysql client may decide to use a local domain socket when connecting to localhost, thwarting your attempts to go via Stunnel. You might want to 'strace mysql ...' and look for the connect() lines. -- Brian Hatch Time flies like an Systems and arrow. Fruit flies Security Engineer like a banana. http://www.ifokr.org/bri/ Every message PGP signed -- My life has changed. What about yours? Log on to the new Indiatimes Mail and Live out of the Inbox!

3 3

DH parameters
by yyy 30 Jul '11

30 Jul '11

Hello! How to specify custom DH parameters? There is an option for specifying ECDH curve (curve option), but not for ordinary DH. Searching man page for "DH" did not yield anything. Searching this list archive for "DH paramaeters" found only some default error messages.

2 1

Re: [stunnel-users] Problem with SNI "Specified option name is not valid here"
by Michal Trojnara 26 Jul '11

26 Jul '11

I wrote: > AFAIR SNI is supported in OpenSSL 1.0.0 and later. I will confirm it > and I will update the manual page if needed. I updated the manual: http://www.stunnel.org/static/stunnel.html Mike

1 0

stunnel 4.41 released
by Michal Trojnara 25 Jul '11

25 Jul '11

Dear Users, I have released version 4.41 of stunnel. This is a bugfix release. I highly recommend Windows users to upgrade. The ChangeLog entry: Version 4.41, 2011.07.25, urgency: MEDIUM: * Bugfixes - Fixed Windows service crash of stunnel 4.40. Home page: http://www.stunnel.org/ Download: ftp://ftp.stunnel.org/stunnel/ SHA-256 hash for stunnel-4.41.tar.gz: 08e0e7df42bfb8b8551eb6c4b5b50eae6051aaf75077101d729e67c7a3a00c72 Best regards, Mike

1 0

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