stunnel-users August 2011

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by Nicolas de Bari Embriz Garcia Rojas 04 Aug '11

04 Aug '11

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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

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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

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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!

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stunnel-users August 2011