stunnel-users

stunnel-users@stunnel.org

4 participants
3315 discussions

Windows Server 2012 stunnel service
by Adam Shackleton 18 Apr '17

18 Apr '17

Hi All I'm running stunnel on Windows Server 2012 R2 with the following config: [test-qa] client = yes accept = 127.0.0.1:8080 connect = webaddress.com:443 cert = API-q-response.pfx CAfile = ca-certs.pem OCSPaia = yes When I start the GUI I'm prompted for the certificate password then and then stunnel works fine, but I need it to run as a service. I've tried using the start menu stunnel Service Install button, I've also tried opening a command prompt in C:\Program Files (x86)\stunnel\config and running C:\Program Files (x86)\stunnel\bin\stunnel.exe -install, and I've also tried moving the config file and certs to the \bin directory and running stunnel -install there as well. In all case the service installs ok, and when you run it, it starts (I can see it in the services tool), you can click the stunnel Configuration File Reload button in the start menu and it says the configuration was successfully reloaded, but it doesn't work when I try to use it. I've noticed two things that might be relevant: 1. At no point does it prompt me for the certificate password like it does when I load the GUI 2. The dialog boxes that open when the service is installed or started say "stunnel 5.40 on Win32 (not configured) [cid:image001.png@01D2B81E.BD3E6BC0] If anyone has any advice that would be greatly appreciated. Thanks Adam

2 1

SOCKS connection to the IPv4 loopback rejected.
by Robert de Bath 15 Apr '17

15 Apr '17

Hi everyone, How do I get rid of this message? I have a stunnel server setup on a remote machine using the socks protocol. I use two keys plus the certificates and a private CA to protect the SSL link. On a local machine I have an stunnel client running without a protocol option set. If I try to make a socks connection to an interface IP of the remote server it works perfectly, bypassing the intervening firewalls through the protected tunnel. But the interface IP changes and I only want to allow connections to the remote server through the tunnel. I could setup traditional tunnels, but while one of the services (remote desktop to the Windows server) is constant the others are dynamically configurable. I have even considered using SNI to distinguish the incoming connections to the various services but while this allows there to be just one tunnel port it will still need a remote reconfiguration of stunnel every time a service port is added or removed. The best way to express this limit is that the socks server should ONLY connect to localhost; but it's "rejected". In actual operation I will probably need to allow the local network too which will probably be an rfc1597 address. Looking at the source it appears that this condition is hard coded into the "validate" function so my question becomes: can you please remove this or add a flag to turn it off? -- Robert de Bath robert(a)tvisiontech.co.uk

1 0

Configure Error
by Kenway Ng 12 Apr '17

12 Apr '17

Hi I am running into an issue when I go into the src directory and I run the configure command, I get configure: error: Could not find your TLS library installation dir Use --with-ssl option to fix this problem I am trying to upgrade our version of stunnel. Our SME left and now I am trying to upgrade stunnel to fix a vulnerability . I am being told to use TLS1.1 or higher Here is our current version of stunnel $ ./stunnel -version stunnel 4.15 on x86_64-redhat-linux-gnu with OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008 Threading:PTHREAD SSL:ENGINE Sockets:POLL,IPv6 Auth:LIBWRAP Any help would be appreciated. Kenway

1 0

PSK, verifying the client
by Mike 05 Apr '17

05 Apr '17

Is it possible to verify the client using PSK? On the stunnel server I specify a PSKsecrets file with two lines in it, one for client01 and one for client02. The secret is about 36 characters long. On a client, I have a similar PSKsecrets file, but only containing the client01 line. Now, if I try to connect with, say, a client03, i.e., any client that does not have a matching line in the server's PSKsecrets file, how can I assure that the client connection will be rejected? What I'd like to see would be the following: any client that tries to connect, and does not present a PSK that is present in the server's PSKsecrets file, then that client's connection request is rejected, with an appropriate message logged. Can I do that with the current stunnel? thx.

1 0

Scan to email failure: RapbianPi3 to Office365
by Graeme Ellisson 03 Apr '17

03 Apr '17

Hi. I recently bought a Pi3 and have loaded Raspbian with Doobs (Previously I had this running faultlessly under a Windows Server for my Canon multi function printer that does not support SSL/TLS but only authentication). After about 8 attempts to get Stunnel4 working (there doesn't seem to be a later version to install via the command line) I eventually found that Stunnel4 works fine as long as one doesn't update Dabian from the initial Doobs install. So, I now have the service running and listening on port 25 with the following config file: debug=7 output=/etc/stunnel/stunnel.log client=yes options=NO_SSLv2 (I added this last night after reading a blog) [SMTP OUT] sslVersion=TLSv1 (I added this last night after reading a blog) protocol=smtp accept=25 connect=smtp.office365.com:587 On restarting the service I see the following which looks okay to my untrained eye: 2017.04.03 09:42:09 LOG7[3570]: Dispatching signals from the signal pipe 2017.04.03 09:42:09 LOG7[3570]: Processing SIGNAL_TERMINATE 2017.04.03 09:42:09 LOG5[3570]: Terminated 2017.04.03 09:42:09 LOG7[3570]: Closing service [SMTP OUT] 2017.04.03 09:42:09 LOG7[3570]: Service [SMTP OUT] closed (FD=7) 2017.04.03 09:42:09 LOG7[3570]: Service [SMTP OUT] closed 2017.04.03 09:42:09 LOG7[3570]: removing pid file /var/run/stunnel4.pid 2017.04.03 09:42:09 LOG7[3926]: Clients allowed=500 2017.04.03 09:42:09 LOG5[3926]: stunnel 5.06 on arm-unknown-linux-gnueabihf platform 2017.04.03 09:42:09 LOG5[3926]: Compiled with OpenSSL 1.0.1k 8 Jan 2015 2017.04.03 09:42:09 LOG5[3926]: Running with OpenSSL 1.0.1t 3 May 2016 2017.04.03 09:42:09 LOG5[3926]: Update OpenSSL shared libraries or rebuild stunnel 2017.04.03 09:42:09 LOG5[3926]: Threading:PTHREAD Sockets:POLL,IPv6,SYSTEMD SSL:ENGINE,OCSP,FIPS Auth:LIB$ 2017.04.03 09:42:09 LOG7[3926]: errno: (*__errno_location ()) 2017.04.03 09:42:09 LOG5[3926]: Reading configuration from file /etc/stunnel/stunnel4.conf 2017.04.03 09:42:09 LOG5[3926]: FIPS mode disabled 2017.04.03 09:42:09 LOG7[3926]: Compression disabled 2017.04.03 09:42:09 LOG7[3926]: Snagged 64 random bytes from /dev/urandom 2017.04.03 09:42:09 LOG7[3926]: PRNG seeded successfully 2017.04.03 09:42:09 LOG6[3926]: Initializing service [SMTP OUT] 2017.04.03 09:42:09 LOG7[3926]: No private key specified 2017.04.03 09:42:09 LOG7[3926]: SSL options: 0x03000004 (+0x03000000, -0x00000000) 2017.04.03 09:42:09 LOG5[3926]: Configuration successful 2017.04.03 09:42:09 LOG7[3926]: Listening file descriptor created (FD=7) 2017.04.03 09:42:09 LOG7[3926]: Service [SMTP OUT] (FD=7) bound to 0.0.0.0:25 2017.04.03 09:42:09 LOG7[3927]: Created pid file /var/run/stunnel4.pid When sending a scan from the printer to an email address I see the following in the log file: 2017.04.03 10:00:05 LOG7[3927]: Service [SMTP OUT] accepted (FD=3) from 192.168.8.99:1085 2017.04.03 10:00:05 LOG7[3960]: Service [SMTP OUT] started 2017.04.03 10:00:05 LOG5[3960]: Service [SMTP OUT] accepted connection from 192.168.8.99:1085 2017.04.03 10:00:05 LOG6[3960]: s_connect: connecting 40.101.73.162:587 2017.04.03 10:00:05 LOG7[3960]: s_connect: s_poll_wait 40.101.73.162:587: waiting 10 seconds 2017.04.03 10:00:05 LOG5[3960]: s_connect: connected 40.101.73.162:587 2017.04.03 10:00:05 LOG5[3960]: Service [SMTP OUT] connected remote server from 192.168.8.33:59792 2017.04.03 10:00:05 LOG7[3960]: Remote socket (FD=9) initialized 2017.04.03 10:00:05 LOG7[3960]: <- 220 DB6PR07CA0179.outlook.office365.com Microsoft ESMTP MAIL Service $ 2017.04.03 10:00:05 LOG7[3960]: -> 220 DB6PR07CA0179.outlook.office365.com Microsoft ESMTP MAIL Service $ 2017.04.03 10:00:05 LOG7[3960]: -> EHLO localhost 2017.04.03 10:00:05 LOG7[3960]: <- 250-DB6PR07CA0179.outlook.office365.com Hello [46.208.253.189] 2017.04.03 10:00:05 LOG7[3960]: <- 250-SIZE 157286400 2017.04.03 10:00:05 LOG7[3960]: <- 250-PIPELINING 2017.04.03 10:00:05 LOG7[3960]: <- 250-DSN 2017.04.03 10:00:05 LOG7[3960]: <- 250-ENHANCEDSTATUSCODES 2017.04.03 10:00:05 LOG7[3960]: <- 250-STARTTLS 2017.04.03 10:00:05 LOG7[3960]: <- 250-8BITMIME 2017.04.03 10:00:05 LOG7[3960]: <- 250-BINARYMIME 2017.04.03 10:00:05 LOG7[3960]: <- 250-CHUNKING 2017.04.03 10:00:05 LOG7[3960]: <- 250 SMTPUTF8 2017.04.03 10:00:05 LOG7[3960]: -> STARTTLS 2017.04.03 10:00:05 LOG7[3960]: <- 220 2.0.0 SMTP server ready 2017.04.03 10:00:05 LOG6[3960]: SNI: sending servername: outlook.office365.com 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): before/connect initialization 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: SSL state (connect): unknown state 2017.04.03 10:00:05 LOG7[3960]: 0 items in the session cache 2017.04.03 10:00:05 LOG7[3960]: 2 client connects (SSL_connect()) 2017.04.03 10:00:05 LOG7[3960]: 2 client connects that finished 2017.04.03 10:00:05 LOG7[3960]: 0 client renegotiations requested 2017.04.03 10:00:05 LOG7[3960]: 0 server connects (SSL_accept()) 2017.04.03 10:00:05 LOG7[3960]: 0 server connects that finished 2017.04.03 10:00:05 LOG7[3960]: 0 server renegotiations requested 2017.04.03 10:00:05 LOG7[3960]: 0 session cache hits 2017.04.03 10:00:05 LOG7[3960]: 0 external session cache hits 2017.04.03 10:00:05 LOG7[3960]: 0 session cache misses 2017.04.03 10:00:05 LOG7[3960]: 0 session cache timeouts 2017.04.03 10:00:05 LOG6[3960]: SSL connected: new session negotiated 2017.04.03 10:00:05 LOG6[3960]: Negotiated TLSv1 ciphersuite ECDHE-RSA-AES128-SHA (128-bit encryption) 2017.04.03 10:00:05 LOG6[3960]: Compression: null, expansion: null 2017.04.03 10:00:10 LOG6[3960]: SSL socket closed (SSL_read) 2017.04.03 10:00:10 LOG7[3960]: Sent socket write shutdown 2017.04.03 10:00:10 LOG5[3960]: Connection closed: 23 byte(s) sent to SSL, 79 byte(s) sent to socket 2017.04.03 10:00:10 LOG7[3960]: Remote socket (FD=9) closed 2017.04.03 10:00:10 LOG7[3960]: Local socket (FD=3) closed 2017.04.03 10:00:10 LOG7[3960]: Service [SMTP OUT] finished (0 left) 2017.04.03 10:00:20 LOG7[3927]: Service [SMTP OUT] accepted (FD=3) from 192.168.8.99:1086 2017.04.03 10:00:20 LOG7[3961]: Service [SMTP OUT] started 2017.04.03 10:00:20 LOG5[3961]: Service [SMTP OUT] accepted connection from 192.168.8.99:1086 2017.04.03 10:00:20 LOG6[3961]: s_connect: connecting 40.101.72.194:587 2017.04.03 10:00:20 LOG7[3961]: s_connect: s_poll_wait 40.101.72.194:587: waiting 10 seconds 2017.04.03 10:00:20 LOG5[3961]: s_connect: connected 40.101.72.194:587 2017.04.03 10:00:20 LOG5[3961]: Service [SMTP OUT] connected remote serve from 192.168.8.33:57422 2017.04.03 10:00:20 LOG7[3961]: Remote socket (FD=9) initialized 2017.04.03 10:00:21 LOG7[3961]: <- 220 DB6PR07CA0014.outlook.office365.com Microsoft ESMTP MAIL Service $ 2017.04.03 10:00:21 LOG7[3961]: -> 220 DB6PR07CA0014.outlook.office365.com Microsoft ESMTP MAIL Service $ 2017.04.03 10:00:21 LOG7[3961]: -> EHLO localhost 2017.04.03 10:00:21 LOG7[3961]: <- 250-DB6PR07CA0014.outlook.office365.com Hello [46.208.253.189] 2017.04.03 10:00:21 LOG7[3961]: <- 250-SIZE 157286400 2017.04.03 10:00:21 LOG7[3961]: <- 250-PIPELINING 2017.04.03 10:00:21 LOG7[3961]: <- 250-DSN 2017.04.03 10:00:21 LOG7[3961]: <- 250-ENHANCEDSTATUSCODES 2017.04.03 10:00:21 LOG7[3961]: <- 250-STARTTLS 2017.04.03 10:00:21 LOG7[3961]: <- 250-8BITMIME 2017.04.03 10:00:21 LOG7[3961]: <- 250-BINARYMIME 2017.04.03 10:00:21 LOG7[3961]: <- 250-CHUNKING 2017.04.03 10:00:21 LOG7[3961]: <- 250 SMTPUTF8 2017.04.03 10:00:21 LOG7[3961]: -> STARTTLS 2017.04.03 10:00:21 LOG7[3961]: <- 220 2.0.0 SMTP server ready 2017.04.03 10:00:21 LOG6[3961]: SNI: sending servername: outlook.office365.com 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): before/connect initialization 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: SSL state (connect): unknown state 2017.04.03 10:00:21 LOG7[3961]: 0 items in the session cache 2017.04.03 10:00:21 LOG7[3961]: 3 client connects (SSL_connect()) 2017.04.03 10:00:21 LOG7[3961]: 3 client connects that finished 2017.04.03 10:00:21 LOG7[3961]: 0 client renegotiations requested 2017.04.03 10:00:21 LOG7[3961]: 0 server connects (SSL_accept()) 2017.04.03 10:00:21 LOG7[3961]: 0 server connects that finished 2017.04.03 10:00:21 LOG7[3961]: 0 server renegotiations requested 2017.04.03 10:00:21 LOG7[3961]: 0 session cache hits 2017.04.03 10:00:21 LOG7[3961]: 0 external session cache hits 2017.04.03 10:00:21 LOG7[3961]: 0 session cache misses 2017.04.03 10:00:21 LOG7[3961]: 0 session cache timeouts 2017.04.03 10:00:21 LOG6[3961]: SSL connected: new session negotiated 2017.04.03 10:00:21 LOG6[3961]: Negotiated TLSv1 ciphersuite ECDHE-RSA-AES128-SHA (128-bit encryption) 2017.04.03 10:00:21 LOG6[3961]: Compression: null, expansion: null 2017.04.03 10:00:26 LOG6[3961]: SSL socket closed (SSL_read) 2017.04.03 10:00:26 LOG7[3961]: Sent socket write shutdown 2017.04.03 10:00:26 LOG5[3961]: Connection closed: 23 byte(s) sent to SSL, 79 byte(s) sent to socket 2017.04.03 10:00:26 LOG7[3961]: Remote socket (FD=9) closed 2017.04.03 10:00:26 LOG7[3961]: Local socket (FD=3) closed 2017.04.03 10:00:26 LOG7[3961]: Service [SMTP OUT] finished (0 left) At the end of this, no email is received. I can't tell from the above if the document is not being received by Stunnel from the printer or if Stunnel can not pass the document to Office365. It looks like TLSv1 is being negotiated and some data is being sent but then it closes the connection. Any help would be much appreciated. Regards, Graeme

2 1

Stunnel Version Vulnerability-Currently using 5.04
by Tracy Drake - IQGC-C 28 Mar '17

28 Mar '17

Hello Stunnel Users Forum! I wonder if anyone may have suggestions of what, if anything can be done to surmount a reported vulnerability for Stunnel versions prior to 5.34. I have limited savvy in this arena so please excuse this "Stunnel for Dummies" question. The following statements surfaced in a "security vulnerabilities" report... The version of stunnel installed on the remote host is 4.46 or later but prior to 5.34. It is, therefore, affected by a security bypass vulnerability related to the validation of level 4 peer certificates. An unauthenticated, remote attacker can exploit this to have an impact on confidentiality, integrity, and/or availability. No other details are available. I am of the mind that perhaps an entry in Stunnel.conf until we can deploy an upgrade? Thanks in advance for any feedback! Upgrade to stunnel version 5.34 or later. -- Tracy Drake CSM Senior Consultant GSA-FAS CAMEO Contractor URSA & INFOConnect Support & Training Team Lead 704-987-1211 tracy.drake(a)gsa.gov

1 0

Multi source VPN connectivity
by Aykut SAY 24 Mar '17

24 Mar '17

Hi, We are working on a integration project and we need to connect our application to three different sources. These three sources have their own VPN. Can stunnel connect to three different vpn from one server? If yes, which version of stunnel we need to install to our server? Thanks, Aykut

1 0

stunnel public private key authentication like ssh
by Michael Power 23 Mar '17

23 Mar '17

Is there a way to configure stunnel just to check the public key of the provided certificate? I want authentication between the server and the client to take place by public key only, no PKI just like ssh. Is this possible? Is this verify level 4, or does that still check the CN against the host that I am connecting to? Michael Power

1 0

update stunnel with engine pkcs11
by Heinsbroek, Peter 20 Mar '17

20 Mar '17

Hallo, I’m a newbee in C programming. I have to upgrade stunnel 5.31 with engine_pkcs11 (0.1.8) for windows to the latest versions. (5.40 & 0.2.2) My engine_pkcs.c contains an subroutine my_get_pin (see attachment line 707) that reads a pin from a file in the windows folder. After reading it ,it transforms the pin to hexadecimal, if not already done, and writes it back in the file. After adjusting the new source it compiles without errors, but when executing it doesn’t work anymore. I also attached the old engine_pkcs11.c as we used it. Can someone help me with this problem. After compairing the old and new source I noticed that there have been major improvements to the source With regards, Peter Heinsbroek Application manager NT / SQL20xx Tel. +31 (0)88 265 9869 Mob. +31 6 5375 3244 Werner von Siemensstraat 3 2712 PN Zoetermeer, Nederland Org. unit PS Central Fin Services Unit 02 SI NL Email peter.heinsbroek(a)atos.net<mailto:peter.heinsbroek@atos.netm> Web www.nl.atos.net<UrlBlockedError.aspx> Atos IT Solutions and Services B.V. Comm. Register The Hague no. 27380688 This e-mail is intended exclusively for the addressee(s), and may not be forwarded or made available for use to any person other than the addressee(s). If you are not the intended recipient, please notify the sender thereof and destroy/delete the message. The sender disclaims any liability as regards (the content of) this e-mail. This e-mail and the documents attached are confidential and intended solely for the addressee; it may also be privileged. If you receive this e-mail in error, please notify the sender immediately and destroy it. As its integrity cannot be secured on the Internet, Atos’ liability cannot be triggered for the message content. Although the sender endeavours to maintain a computer virus-free network, the sender does not warrant that this transmission is virus-free and will not be liable for any damages resulting from any virus transmitted. On all offers and agreements under which Atos Nederland B.V. supplies goods and/or services of whatever nature, the Terms of Delivery from Atos Nederland B.V. exclusively apply. The Terms of Delivery shall be promptly submitted to you on your request.

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Fwd: Stunnel Performance strangeness
by Scott McKeown 10 Mar '17

10 Mar '17

Hi All, We have been doing some throughput testing and are wondering of you can help explain some of the results we have been getting. We are trying to establish the maximum number of handshakes per second our appliances can do when using Stunnel. Our tests have been done on a 4 core Intel(R) Xeon(R) CPU E3-1230 v5 @ 3.40GHz machine with 8Gb ram. Using stunnel 5.33 openssl 1.0.2j (We use stunnel 5.33 here, but this was also tested with stunnel 5.40 and we got the same issue) Stunnel was compiled with - ./configure --enable-fips --enable-ipv6 --with-threads=pthread --sysconfdir=/etc --with-ssl=/usr/src/built/OpenSSL_1_0_2j-no_march/usr/local/ --disable-libwrap --disable-systemd I was using a python script of my own design for load testing when I noticed the problem we then switched to an open source package called vegeta https://github.com/tsenart/vegeta the command I was using to run it was - echo "GET https://10.10.10.10:443" | ./vegeta attack -workers=30 -rate=3000 -duration=300s -insecure > test.out We are essentially seeing a degradation in throughput at a fixed point in time. I am seeing the problem when using 3000 transactions per second. We are doing https gets through stunnel to a http backend, 1 transaction is an ssl handshake the http get and waiting for the response. Interestingly if I try 5.06 it works fine I get a smooth constant loading. Please take a look at 30worker3000rate5.33-300s.png where you can see after about 55 seconds there is a jump in latency. I get the same issue if I run the test with 2000 transactions. Please see 30worker20005.33-700s.png but with the lower transaction rate the issue takes longer to rear its head. The issue doesnt happen if I run the test with 3000 transaction using 5.06. Please see 30worker3000rate5.06-300s.png >From looking at the graphs our thoughts were that we were hitting some sort of cache limit and used that as a starting point. We have taken a look at the code changes between versions we know were working and the problematic version and the main thing that stands out is the changes to the leak detection. Previously this was partially based on the number of clients but has been changed to use the sections. This led to the decision to try a different limit value and found the number of connections we saw before seeing an issue corresponds to the change of the limit value. We think we have identified the code that is causing the problem/doing something funny it was added in 5.33 NOEXPORT long leak_threshold() { long limit; limit=10000*((int)number_of_sections+1); #ifndef USE_FORK limit+=100*num_clients; #endif return limit; } its src/str.c when increasing the limit number so limit=10000*((int)number_of_sections+1) to limit=20000*((int)number_of_sections+1) This still results in an increase in response time but at a later time in the test, please see 30worker3000rate5.33-ben-highlimit.png Interestingly once I end up in this state I am stuck with high latencies until I restart stunnel. (The box I am testing on was left over night to make sure its not any hanging tcp connections or anything like that) I must admit we are at the limit of our C understanding and your imput would be welcomed. -- With Kind Regards. Scott McKeown Loadbalancer.org http://www.loadbalancer.org Tel (UK) - +44 (0) 3303801064 <0330%20380%201064> (24x7) Tel (US) - +1 888.867.9504 <+1%20888-867-9504> (Toll Free)(24x7)

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