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3294 discussions

stunnel + mjpeg_streamer issue
by Akos Schneemaier 23 Jan '18

23 Jan '18

HI stunnel users, i hope somebody have an idea what is going wrong in my config: I am runnung debian on an arm box with kernel 4.4.89 and stunnel 5.44. I use mjpeg_streamer to stream webcam images. mjpeg streamer is attaches to port 8080 for http, but for external access connection goes through stunnel on port 2970. The problem is when i connect to mjpeg streamer to get a snapshot via stunnel i receive a broken image 8 time out of 10: https:/ipaddress:2970/?action=snapshot. When i do this via http:/ipaddress:8080/?action=snapshot everything works fine. it seems when image size is below ~11k then it works fine with stunnel, when the size goes above then the chance to receive a broken image increases with stunnel, normal image size is around 22k. Futuremore when i connect to the mjpeg stream of mjpeg stream then everything works fine even over stunnel https:/ipaddress:2970/?action=stream Here is the service config file: pid=/tmp/cam.pid ;foreground=yes ;debug=7 [cam0] cert = /etc/letsencrypt/live/..../fullchain.pem key = /etc/letsencrypt/live/..../privkey.pem sslVersion = all client = no accept = 2970 connect = 8080 [cam1] cert = /etc/letsencrypt/live/..../fullchain.pem key = /etc/letsencrypt/live/..../privkey.pem sslVersion = all client = no accept = 2971 connect = 8081 [cam2] cert = /etc/letsencrypt/live/..../fullchain.pem key = /etc/letsencrypt/live/..../privkey.pem sslVersion = all client = no accept = 2972 connect = 8082 Any ideas welcome! Thanks

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Update on my stunnel problems
by Phil Smith III 21 Jan '18

21 Jan '18

As I'm sure all of you were thinking, the localhost vs. 127.0.0.1 shouldn't have made a difference, and probably didn't: that was across two different machines, as I'd had to switch horses mid-stream (always a bad idea, I realize). Mind you, both machines are the same hardware, same OS, etc. And the 127.0.0.1 version started working on the first machine after a while; I suspect I was seeing Cox's authentication server problems muddying the waters-it has that problem from time to time. BTW, I did check, and I have localhost entries for both IPv4 and IPv6 in my hosts file. This morning when I finally got access to my wife's machine, I installed stunnel with the same config that was working on machine#2 and changed Eudora to point to localhost. I could see Eudora happily connecting to stunnel, but then nothing happened. After the usual checking everything, I decided to try port 1110 instead of 110 for one of the POP accounts. That necessitated closing and reopening Eudora so I could hack the .ini file. After doing so, it worked. Then I changed the other accounts to localhost and they kept working. "Odd", sez I: "I haven't changed them to port 1110!" Still not sure how they were working, since localhost is definitely not serving port 110 that I know of. As my wife was getting antsy about getting her machine back, I didn't investigate further (wish I'd had time): I just changed the stunnel port back to 110, put the one account back to 110, restarted Eudora and refreshed the stunnel config.and all is now working fine. So something was stuck in an old setting, but that doesn't explain either why it was connecting to stunnel but not getting past it, or how it was going to localhost 110 and still working. In any case, it's functioning beautifully (in time for the Wednesday shutdown of non-encrypted POP), and I share this in case it helps someone else down the line! I don't care about SMTP, as I don't use Cox's SMTP anyway. Thanks again for all the helpful suggestions. There wasn't any single "Aha!" moment, but they all helped lead me to the happy place. .phsiii

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Re: [stunnel-users] Re (2): Problems with stunnel and cox.net on Windows 7
by Phil Smith III 18 Jan '18

18 Jan '18

Huh. It does have it. But why didn’t 127.0.0.1 work, I wonder? From: stunnel-users [mailto:stunnel-users-bounces@stunnel.org] On Behalf Of Carter Browne Sent: Thursday, January 18, 2018 2:11 PM To: stunnel-users(a)stunnel.org Subject: Re: [stunnel-users] Re (2): Problems with stunnel and cox.net on Windows 7 You should check your hosts file in \windows\system32\drivers\etc. Make sure it has an entry: 127.0.0.1 localhost The text claims it doesn't need it, but it doesn't hurt to have it, and I'm not sure I totally believe the text. Carter On 1/18/2018 1:55 PM, Phil Smith III wrote: Oh, the logging works--it just doesn't like it there in the file. I have it earlier and it's fine. -------------- C:\Users\phsiii>ls -ld \temp\stunnel-log.txt -rw-r--r-- 1 phsiii None 266835 Jan 18 08:52 \temp\stunnel-log.txt # That's Cygwin ls -- remember, this is Windows 7 C:\Users\phsiii>nslookup localhost Server: UnKnown Address: 2001:4860:4860::8888 *** UnKnown can't find localhost: No response from server # Windows nslookup (per "which nslookup") -------------- Odd. -----Original Message----- From: stunnel-users [mailto:stunnel-users-bounces@stunnel.org] On Behalf Of peter(a)easthope.ca <mailto:peter@easthope.ca> Sent: Thursday, January 18, 2018 1:13 PM To: stunnel-users(a)stunnel.org <mailto:stunnel-users@stunnel.org> Subject: [stunnel-users] Re (2): Problems with stunnel and cox.net on Windows 7 From: "Phil Smith III" <mailto:phs3stuff@cox.net> <phs3stuff(a)cox.net> Date: Thu, 18 Jan 2018 12:47:47 -0500 while the output= wasn't accepted (it said it wasn't valid there), Does the file exist? If not, can stunnel create it? Can you read it with an editor. Can you write into it interactively? What does "ls -ld C:\temp\stunnel-log.txt" or Win equivalent give? changing 127.0.0.1 to localhost seems to have fixed it! What does "nslookup localhost" report? Regards, ... P.

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Re: [stunnel-users] Re (2): Problems with stunnel and cox.net on Windows 7
by Phil Smith III 18 Jan '18

18 Jan '18

Now that's interesting. Note that the failed nslookup looked v6-ish. I wonder if Cox is doing some v6 stuff that I don't know about! -----Original Message----- From: stunnel-users [mailto:stunnel-users-bounces@stunnel.org] On Behalf Of Vincent Deschenes Sent: Thursday, January 18, 2018 1:17 PM To: stunnel-users(a)stunnel.org Subject: Re: [stunnel-users] Re (2): Problems with stunnel and cox.net on Windows 7 >From my experience, this relates to IPv4 vs IPv6. 127.0.0.1 is explicitly V4. While localhost can be V6. Vincent Deschenes -----Original Message----- From: stunnel-users [mailto:stunnel-users-bounces@stunnel.org] On Behalf Of peter(a)easthope.ca Sent: Thursday, 18 January 2018 1:08 PM To: stunnel-users(a)stunnel.org Subject: [stunnel-users] Re (2): Problems with stunnel and cox.net on Windows 7 From: "Phil Smith III" <phs3stuff(a)cox.net> Date: Thu, 18 Jan 2018 12:47:47 -0500 > while the output= wasn't accepted (it said it wasn't valid there), Does the file exist? If not, can stunnel create it? Can you read it with an editor. Can you write into it interactively? > changing 127.0.0.1 to localhost seems to have fixed it! What does "nslookup localhost" report? Regards, ... P. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca _______________________________________________ stunnel-users mailing list stunnel-users(a)stunnel.org https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users _______________________________________________ stunnel-users mailing list stunnel-users(a)stunnel.org https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users

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Re: [stunnel-users] Re (2): Problems with stunnel and cox.net on Windows 7
by Phil Smith III 18 Jan '18

18 Jan '18

Oh, the logging works--it just doesn't like it there in the file. I have it earlier and it's fine. -------------- C:\Users\phsiii>ls -ld \temp\stunnel-log.txt -rw-r--r-- 1 phsiii None 266835 Jan 18 08:52 \temp\stunnel-log.txt # That's Cygwin ls -- remember, this is Windows 7 C:\Users\phsiii>nslookup localhost Server: UnKnown Address: 2001:4860:4860::8888 *** UnKnown can't find localhost: No response from server # Windows nslookup (per "which nslookup") -------------- Odd. -----Original Message----- From: stunnel-users [mailto:stunnel-users-bounces@stunnel.org] On Behalf Of peter(a)easthope.ca Sent: Thursday, January 18, 2018 1:13 PM To: stunnel-users(a)stunnel.org Subject: [stunnel-users] Re (2): Problems with stunnel and cox.net on Windows 7 From: "Phil Smith III" <phs3stuff(a)cox.net> Date: Thu, 18 Jan 2018 12:47:47 -0500 > while the output= wasn't accepted (it said it wasn't valid there), Does the file exist? If not, can stunnel create it? Can you read it with an editor. Can you write into it interactively? What does "ls -ld C:\temp\stunnel-log.txt" or Win equivalent give? > changing 127.0.0.1 to localhost seems to have fixed it! What does "nslookup localhost" report? Regards, ... P. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca _______________________________________________ stunnel-users mailing list stunnel-users(a)stunnel.org https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users

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Re (2): Problems with stunnel and cox.net on Windows 7
by peter＠easthope.ca 18 Jan '18

18 Jan '18

From: "Phil Smith III" <phs3stuff(a)cox.net> Date: Thu, 18 Jan 2018 12:47:47 -0500 > while the output= wasn't accepted (it said it wasn't valid there), Does the file exist? If not, can stunnel create it? Can you read it with an editor. Can you write into it interactively? > changing 127.0.0.1 to localhost seems to have fixed it! What does "nslookup localhost" report? Regards, ... P. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca

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Re (2): Problems with stunnel and cox.net on Windows 7
by peter＠easthope.ca 18 Jan '18

18 Jan '18

From: "Phil Smith III" <phs3stuff(a)cox.net> Date: Thu, 18 Jan 2018 12:47:47 -0500 > while the output= wasn't accepted (it said it wasn't valid there), Does the file exist? If not, can stunnel create it? Can you read it with an editor. Can you write into it interactively? What does "ls -ld C:\temp\stunnel-log.txt" or Win equivalent give? > changing 127.0.0.1 to localhost seems to have fixed it! What does "nslookup localhost" report? Regards, ... P. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca

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Re: [stunnel-users] Problems with stunnel and cox.net on Windows 7
by Phil Smith III 18 Jan '18

18 Jan '18

Well, I'm stunned (pun intended): while the output= wasn't accepted (it said it wasn't valid there), changing 127.0.0.1 to localhost seems to have fixed it! -----Original Message----- From: stunnel-users [mailto:stunnel-users-bounces@stunnel.org] On Behalf Of peter(a)easthope.ca Sent: Thursday, January 18, 2018 12:20 AM To: stunnel-users(a)stunnel.org Subject: Re: [stunnel-users] Problems with stunnel and cox.net on Windows 7 From: "Phil Smith III" <phs3stuff(a)cox.net> Date: Wed, 17 Jan 2018 21:59:42 -0500 > Here's my stunnel.conf, with blank lines and comments removed: > client = yes > output = C:\temp\stunnel-log.txt > taskbar = yes > debug = 7 > [POP3 Incoming] > protocol = pop3 > accept = 127.0.0.1:1110 > connect = pop.cox.net:995 > protocol = smtp > accept = 127.0.0.1:25 > connect = smtp.cox.net:465 Here it worked for POP3 immediately. Not needed for SMTP. https://en.wikibooks.org/wiki/Oberon/Oberon#Receiving_and_Sending_Email Before using 1110, check. netstat -tulpn | grep 1110 Correct id, passwd and port are in the MUA? Separate configurations for POP3 and SMTP. Troubleshoot one at a time. "protocol" shouldn't be necessary. Try this. [POP3] client = yes output = C:\temp\stunnel-log.txt accept = localhost:1110 connect = pop.cox.net:995 Regards, ... Peter E. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca _______________________________________________ stunnel-users mailing list stunnel-users(a)stunnel.org https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users

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Re (2): Problems with stunnel and cox.net on Windows 7
by peter＠easthope.ca 18 Jan '18

18 Jan '18

From: Andrew Culver <aculver(a)uwo.ca> Date: Thu, 18 Jan 2018 11:39:20 -0500 > Some protocols use a protocol-specific command to begin TLS negotiation > (STARTTLS for SMTP and POP3), so stunnel needs to know how (and be told) to > use that command. Phil, General troubleshooting rule, always try for a most elementary, ordinary case before resorting to a special case. Regards, ... Peter E. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca

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Re: [stunnel-users] Problems with stunnel and cox.net on Windows 7
by peter＠easthope.ca 18 Jan '18

18 Jan '18

P.s. From: "Phil Smith III" <phs3stuff(a)cox.net> Date: Wed, 17 Jan 2018 21:59:42 -0500 > protocol = pop3 The stunnel(8) manual has this. "protocol = PROTO application protocol to negotiate TLS This option enables initial, protocol-specific negotiation of the TLS encryption." Is there any need for protocol-specific negotiation? Why? Stunnel provides a tunnel and POP3 works inside. That's all. Try the configuration without the protocol option. Regards, ... Peter E. -- 123456789 123456789 123456789 123456789 123456789 123456789 123456789 Tel: +1 360 639 0202 Pender Is.: +1 250 629 3757 http://easthope.ca/Peter.html Bcc: peter at easthope. ca

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