Stunnel traffic fails to go via proxy set in winhttp (Windows 10)
Library Information Access Team <[email protected]> Wed, 6 Nov 2019 03:51:17 +0000
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At QUT Library we use Stunnel to encrypt SIP2 (ie. book borrowing) traffic =
from the self-checkout machines through to the Alma library services platfo=
rm (as per https://developers.exlibrisgroup.com/alma/integrations/stunnel/ =
)
Our self-checkout machines run Windows 10 and are allowed limited internet =
access to two hosts (cloud.fetechgroup.com and ap01.alma.exlibrisgroup.com)=
via our institution's Squid proxy and I have our current WinHTTP proxy set=
tings:
Proxy Server(s) : wproxy.qut.edu.au:3128
Bypass List : *.qut.edu.au
The proxy server settings are set for all protocols (HTTP, HTTPS, secure an=
d FTP) and I've confirmed that web browser and the FE Technologies software=
is routing via wproxy.qut.edu.au. However Stunnel is still trying to conn=
ect to Alma directly. Our stunnel.conf is as follows (just FYI, the FE Tec=
h software points to 127.0.0.1:5001 as our library services platform addres=
s):
[KG_Self-Checkout]
key =3D client.pem
cert =3D client.pem
client =3D yes
accept =3D 127.0.0.1:5001
connect =3D ap01.alma.exlibrisgroup.com:6443
TIMEOUTclose =3D 0
TIMEOUTconnect =3D 200
TIMEOUTidle =3D 86400
sslVersion =3D TLSv1.2
Is there a way to force Stunnel to either respect the WinHTTP settings or c=
onfigure it to route traffic to wproxy.qut.edu.au:3128 before initiating th=
e connect =3D hostname:port?
I did try protocolHost as follows, but I'm probably misunderstanding how it=
works https://www.stunnel.org/static/stunnel.html#SERVICE-LEVEL-OPTIONS
[KG_Self-Checkout]
key =3D client.pem
cert =3D client.pem
client =3D yes
accept =3D 127.0.0.1:5001
connect =3D wproxy.qut.edu.au:3128
protocolHost =3D ap01.alma.exlibrisgroup.com:6443
TIMEOUTclose =3D 0
TIMEOUTconnect =3D 200
TIMEOUTidle =3D 86400
sslVersion =3D TLSv1.2
Any advice or assistance gratefully accepted, and apologies if this is a si=
lly question - I'm just a librarian trying to make this thing work.
Thanks,
Jai Parker | Information Access Librarian
QUT Library | Division of Administrative Services
QUT | Kelvin Grove | D Block, Level 1 | Victoria Park Rd Kelvin Grove QLD 4=
059
P: 07 3138 3381 | E: [email protected]<mailto:[email protected]=
u.au> | www.qut.edu.au<http://www.qut.edu.au/>
ABN: 83 791 724 622 | CRICOS No. 00213J
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<div class=3D"WordSection1">
<p class=3D"MsoNormal">At QUT Library we use Stunnel to encrypt SIP2 (ie. b=
ook borrowing) traffic from the self-checkout machines through to the Alma =
library services platform (as per
<a href=3D"https://developers.exlibrisgroup.com/alma/integrations/stunnel/"=
>https://developers.exlibrisgroup.com/alma/integrations/stunnel/</a> )<o:p>=
</o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Our self-checkout machines run Windows 10 and are al=
lowed limited internet access to two hosts (cloud.fetechgroup.com and ap01.=
alma.exlibrisgroup.com) via our institution’s Squid proxy and I have =
our c<span style=3D"font-size:10.5pt;font-family:"Segoe UI",sans-=
serif;mso-fareast-language:EN-AU">urrent
WinHTTP proxy settings:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:"Se=
goe UI",sans-serif;mso-fareast-language:EN-AU"> <o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.5pt;font-family:"Co=
urier New";mso-fareast-language:EN-AU"> Proxy Server(s) :=
wproxy.qut.edu.au:3128<br>
Bypass List : *.qut.edu.au<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">The proxy server settings are set for all protocols =
(HTTP, HTTPS, secure and FTP) and I’ve confirmed that web browser and=
the FE Technologies software is routing via wproxy.qut.edu.au. Howev=
er Stunnel is still trying to connect to Alma
directly. Our stunnel.conf is as follows (just FYI, the FE Tech soft=
ware points to 127.0.0.1:5001 as our library services platform address):<o:=
p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
[KG_Self-Checkout]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
key =3D client.pem<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
cert =3D client.pem<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
client =3D yes<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
accept =3D 127.0.0.1:5001<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
connect =3D ap01.alma.exlibrisgroup.com:6443<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
TIMEOUTclose =3D 0<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
TIMEOUTconnect =3D 200<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
TIMEOUTidle =3D 86400<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
sslVersion =3D TLSv1.2<o:p></o:p></span></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Is there a way to force Stunnel to either respect th=
e WinHTTP settings or configure it to route traffic to wproxy.qut.edu.au:31=
28 before initiating the connect =3D hostname:port?<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">I did try protocolHost as follows, but I’m pro=
bably misunderstanding how it works
<a href=3D"https://www.stunnel.org/static/stunnel.html#SERVICE-LEVEL-OPTION=
S">https://www.stunnel.org/static/stunnel.html#SERVICE-LEVEL-OPTIONS</a>
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
[KG_Self-Checkout]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
key =3D client.pem<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
cert =3D client.pem<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
client =3D yes<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
accept =3D 127.0.0.1:5001<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
connect =3D wproxy.qut.edu.au:3128<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
protocolHost =3D ap01.alma.exlibrisgroup.com:6443<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
TIMEOUTclose =3D 0<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
TIMEOUTconnect =3D 200<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
TIMEOUTidle =3D 86400<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-family:"Courier New"">=
sslVersion =3D TLSv1.2<o:p></o:p></span></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Any advice or assistance gratefully accepted, and ap=
ologies if this is a silly question – I’m just a librarian tryi=
ng to make this thing work.<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Thanks,<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:9.0pt;font-family:"=
Arial",sans-serif;color:#00467F;mso-fareast-language:EN-AU">Jai Parker=
| Information Access Librarian</span></b><span style=3D"mso-fareast-langua=
ge:EN-AU"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:9.0pt;font-family:"Ari=
al",sans-serif;mso-fareast-language:EN-AU"> </span><span style=3D=
"mso-fareast-language:EN-AU"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:9.0pt;font-family:"Ari=
al",sans-serif;mso-fareast-language:EN-AU">QUT Library | Division of A=
dministrative Services</span><span style=3D"mso-fareast-language:EN-AU"><o:=
p></o:p></span></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:9.0pt;font-family:"=
Arial",sans-serif;color:#00467F;mso-fareast-language:EN-AU">QUT</span>=
</b><span style=3D"font-size:9.0pt;font-family:"Arial",sans-serif=
;mso-fareast-language:EN-AU"> | Kelvin Grove | D Block, Level
1 | Victoria Park Rd Kelvin Grove QLD 4059</span><span style=3D"mso-fareas=
t-language:EN-AU"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:9.0pt;font-family:"=
Arial",sans-serif;mso-fareast-language:EN-AU">P:
</span></b><span style=3D"font-size:9.0pt;font-family:"Arial",san=
s-serif;mso-fareast-language:EN-AU">07 313<b>8 3381
</b>| E: <a href=3D"mailto:[email protected]" target=3D"_blank"><sp=
an style=3D"color:blue">[email protected]</span></a> |
<a href=3D"http://www.qut.edu.au/" target=3D"_blank"><span style=3D"color:b=
lue">www.qut.edu.au</span></a>
</span><span style=3D"mso-fareast-language:EN-AU"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:9.0pt;font-family:"Ari=
al",sans-serif;mso-fareast-language:EN-AU">ABN: 83 791 724 622 | CRICO=
S No. 00213J</span><span style=3D"mso-fareast-language:EN-AU"><o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
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