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Problem Web Filtering AD SSO Statuscode 407

Hi in die Runde,

ich habe eine UTM 9.705-3 am laufen. In letzter Zeit häufen sich die Probleme das ich mich in Shopseiten oder bei der Übergabe dieser an Beispielsweise PayPal die Seiten nicht richtig funktionieren. Bei der Recherche ist mir im Webfilter Log aufgefallen das es immer einen Statuscode 407 gibt beim Aufruf solch einer Seite. Ich kann mir nicht erklären woher bzw. warum das passiert. Für die Proxyeinstellungen nutze ich eine WPAD.dat.

Beispiel aus dem Log beim Versuch mich Beispielsweise auf ui.com einzuloggen:

Seitenaufruf alles io mit Username und domain

2021:01:16-14:39:52 utm httpproxy[5599]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="172.25.30.4" dstip="205.186.187.151" user="ka" group="Internet_voll" ad_domain="AD" statuscode="200" cached="0" profile="REF_HttProContaLanNetwo (LAN)" filteraction="REF_HttCffVoll (Voll)" size="1598" request="0xd0878700" url="">ui.om/.../default_dynamic_ms_id_1.js referer="">http://ui.om/" error="" authtime="0" dnstime="0" aptptime="178" cattime="634" avscantime="8215" fullreqtime="191652" device="0" auth="2" ua="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36" exceptions="" category="105" reputation="neutral" categoryname="Business" content-type="application/javascript" sandbox="-"

Nach Eingabe des Passwortes und klicken des Login Button -> kein User und keine Domain

2021:01:16-14:39:52 utm httpproxy[5599]: id="0003" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="CONNECT" srcip="172.25.30.4" dstip="" user="" group="" ad_domain="" statuscode="407" cached="0" profile="REF_HttProContaLanNetwo (LAN)" filteraction=" ()" size="2629" request="0xcf4cbc00" url="">https://www.ui.com/" referer="" error="" authtime="2" dnstime="0" aptptime="0" cattime="0" avscantime="0" fullreqtime="175" device="0" auth="2" ua="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36" exceptions=""

2021:01:16-14:39:52 utm httpproxy[5599]: id="0003" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="CONNECT" srcip="172.25.30.4" dstip="" user="" group="" ad_domain="" statuscode="407" cached="0" profile="REF_HttProContaLanNetwo (LAN)" filteraction=" ()" size="2629" request="0xd0864300" url="">https://dl.ui.com/" referer="" error="" authtime="3" dnstime="0" aptptime="0" cattime="0" avscantime="0" fullreqtime="197" device="0" auth="2" ua="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36" exceptions=""

2021:01:16-14:39:52 utm httpproxy[5599]: id="0003" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="CONNECT" srcip="172.25.30.4" dstip="" user="" group="" ad_domain="" statuscode="407" cached="0" profile="REF_HttProContaLanNetwo (LAN)" filteraction=" ()" size="2629" request="0xd0808300" url="">prd-www-cdn.ubnt.com/" referer="" error="" authtime="1" dnstime="0" aptptime="0" cattime="0" avscantime="0" fullreqtime="156" device="0" auth="2" ua="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36" exceptions=""

Hat jemand einen Tipp für mich an welcher Stelle ich schauen kann bzw. was ich umbauen muss oder falsch konfiguriert ist?

Danke Gruß Jürgen

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Top Replies

DouglasFoster over 4 years ago +1

Status code 407 is normal whenever web filtering is configured for authentication. If you see several in a row, it can mean that authentication is failing. Possibilities: - AD SSO authentication is…

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0 BAlfson over 4 years ago

Hallo Jürgen,

Herzlich willkommen hier in der Community !

(Sorry, my German-speaking brain isn't creating thoughts at the moment. )

If you haven't resolved this, please show us a picture of the Global tab in Web Filtering.

MfG - Bob (Bitte auf Deutsch weiterhin.)

Sophos UTM Community Moderator
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0 Juergen Naumann over 4 years ago in reply to BAlfson

Hi Bob,

is not a problem. Here the Screenshot. Thanks. Danke
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0 BAlfson over 4 years ago in reply to Juergen Naumann

Ah, I see that the Profile in question is not the Default. Please show the same information for the Web Filtering Profile corresponding to ContaLanNetwo (LAN).

"407" and user="" group="" ad_domain="" indicate that authentication failed.

MfG - Bob (Bitte auf Deutsch weiterhin.)

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0 Juergen Naumann over 4 years ago in reply to BAlfson

All Profiles

Profile VLAN 20 - LAN

Lan Profile HTTPS
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0 BAlfson over 4 years ago in reply to Juergen Naumann

Does an Exception for ^https?://[0-9a-zA-Z.-]*ui.com for Authentication work?

MfG - Bob (Bitte auf Deutsch weiterhin.)

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0 Juergen Naumann over 4 years ago in reply to BAlfson

das hatte ich mir als Workaround gebaut, aber zielführend ist es nicht und ich kann mir nicht erklären warum es auf einmal nicht mehr funktioniert!

Man sieht auch des es verschiedene Seiten betrifft.
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0 BAlfson over 4 years ago in reply to Juergen Naumann

In the picture, the Exception is not enabled, Jürgen. Is that because you disabled it since it wasn't working? Are the lines in the Web Filtering log any different when the Exception is enabled?

MfG - Bob (Bitte auf Deutsch weiterhin.)

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0 BAlfson over 4 years ago in reply to Juergen Naumann

In the picture, the Exception is not enabled, Jürgen. Is that because you disabled it since it wasn't working? Are the lines in the Web Filtering log any different when the Exception is enabled?

MfG - Bob (Bitte auf Deutsch weiterhin.)

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
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0 Juergen Naumann over 4 years ago in reply to BAlfson

It is disabled to test, if it enabled it works
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0 BAlfson over 4 years ago in reply to Juergen Naumann

Then it looks like the problem is indeed with Active Directory Authentication. Are we certain that the user is in AD and that his user name is active?

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
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0 Juergen Naumann over 4 years ago in reply to BAlfson

yes all users active, i deleted the utm computer account and joined again the ad without success
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0 BAlfson over 4 years ago in reply to Juergen Naumann

I thought the user at 172.25.30.4 was the only one affected or ???

Cheers - Bob

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0 Juergen Naumann over 4 years ago in reply to BAlfson

no every user from every client is affacted its seem the problem from ad sso auth
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