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IIS SMTP Not always use TLS for outbound
Hello,
I have an IIS SMTP email relay server configured to use TLS for outbound traffic from inside my cage. I have a couple customers that won't accept TLS traffic. Is there any way to configure the IIS server to try sending emails over un-encrypted methods if
encryption methods failed?
Using Windows 2012 R2.
Thanks.
Dan
IIS8 Application Initialization crashes the apppool
Hi all,
I have a website (running in an ARR+NLB) environment. I have set the apppool to AlwaysRunning and on the website I set Preload enabled to "true".
So far so good. When I restart IIS on a webserver it auto starts the worker process. From what I've read IIS should also put an initial request on the MVC pipeline for the homepage "/" to preload the application, but this doesn't happen. We application gets loaded successfully when I hit it with my browser the first time though. This seems strange to me. Anyone agree or am I wrong to assume the website should be hit by IIS itself to preload it?
So I dug a little deeper and found some settings to configure in Web.config. I added this to have IIS hit the Home controller's Index action to preload the website:
<applicationInitializationdoAppInitAfterRestart="true"skipManagedModules="false">
<addinitializationPage="/Home/Index"
/>
</applicationInitialization>
When I restart IIS, the apppool attempts to start up, but ends up crashing with crash reports in the Event Viewer:
Faulting application name: w3wp.exe, version: 10.0.14393.0, time stamp: 0x57899b8a
Faulting module name: iiscore.dll, version: 10.0.14393.1532, time stamp: 0x5965b173
Exception code: 0xc0000005
Fault offset: 0x000000000002adff
Faulting process id: 0x1cd8
Faulting application start time: 0x01d34263ca26c9c7
Faulting application path: c:\windows\system32\inetsrv\w3wp.exe
Faulting module path: C:\Windows\system32\inetsrv\iiscore.dll
Report Id: e5484169-2b3f-4755-8926-4e331787e78b
Faulting package full name:
Faulting package-relative application ID:
----------------------
Fault bucket 120820974363, type 4
Event Name: APPCRASH
Response: Not available
Cab Id: 0
Problem signature:
P1: w3wp.exe
P2: 10.0.14393.0
P3: 57899b8a
P4: iiscore.dll
P5: 10.0.14393.1532
P6: 5965b173
P7: c0000005
P8: 000000000002adff
P9:
P10:
Attached files:
These files may be available here:
C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_w3wp.exe_8d6ff2f84eda7a809729daafdf6637a413f616_ed19be39_147dbd5e
Analysis symbol:
Rechecking for solution: 0
Report Id: 38d42d2c-bd5a-4433-a03c-7526c8a49465
Report Status: 0
Hashed bucket: b2c7269e2da3d04dfa31ee06a59fb78c
If anyone can shed some light on what I'm doing wrong here, I'd very much appreciate it!
Best regards,
Raymond
Disabled TLS 1.0 and 1.1 at regestry level in the web server but iis site hosted is still accessble through TLS1.0 and 1.1
Hello All,
Disabled TLS 1.0 and 1.1 at registry level in the web server but iis site hosted in web server is still accessing through TLS1.0 and 1.1
We have checked through browser as well as through open ssl command in putty.
Can you please help me where it is going wrong?
Thanks
Getting 4776 Events Saying Account does not exists on IIS server
Hi Guys,
We have been getting 4776 Events (status with 0xc0000064)on our IIS server stating that the account does not exists for multiple users.
But AD accounts is actually exists and not issues with AD accounts as well.
In Same server I can see Successful logon events for same users, don't understand why its happening
Please help me on this...
Successful logon event 4624 for same user account on same server
An account was successfully logged on.
Subject:
Security ID: NULL SID
Account Name: -
Account Domain: -
Logon ID: 0x0
Logon Type: 3
New Logon:
Security ID: xxxxxxxxxxx
Account Name: xxxxxxxxxxx
Account Domain: xxxxxxxxxxx
Logon ID: 0x2d7af6a6e
Logon GUID: {00000000-0000-0000-0000-000000000000}
Process Information:
Process ID: 0x0
Process Name: -
Network Information:
Workstation Name: xxxxxxxxxxxx
Source Network Address: xx.xx.xx.xx
Source Port: 58480
Detailed Authentication Information:
Logon Process: NtLmSsp
Authentication Package: NTLM
Transited Services: -
Package Name (NTLM only): NTLM V2
Key Length: 0
This event is generated when a logon session is created. It is generated on the computer that was accessed.
The subject fields indicate the account on the local system which requested the logon. This is most commonly a service such as the Server service, or a local process such as Winlogon.exe or Services.exe.
The logon type field indicates the kind of logon that occurred. The most common types are 2 (interactive) and 3 (network).
The New Logon fields indicate the account for whom the new logon was created, i.e. the account that was logged on.
The network fields indicate where a remote logon request originated. Workstation name is not always available and may be left blank in some cases.
The authentication information fields provide detailed information about this specific logon request.
- Logon GUID is a unique identifier that can be used to correlate this event with a KDC event.
- Transited services indicate which intermediate services have participated in this logon request.
- Package name indicates which sub-protocol was used among the NTLM protocols.
- Key length indicates the length of the generated session key. This will be 0 if no session key was requested.
Filter out FBCLID and UTM parameters
Hello,
I'm new to writing rewrite rules.
Our site has a number of redirects so that users can more readily access pages using a short url, for example:
https://domain.com/shortcut/ which redirects tohttps://domain.com/longer/page/url/
When that shortcut is put in Facebook - it appends something like: ?fbclid-1wAR!P3J8jVD7SyYOt1A3afVMC2jybNnDUnFGT ...
Likewise, if we use GovDelivery for emails - it appends something like:
?utm_content=&utm_medium=email&utm_name=&utm_source=govdelivery&utm_term=campaign
I've found online ways to address the former using apache:
<IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{QUERY_STRING} ^(.*)(?:^|&)fbclid=(?:[^&]*)((?:&|$).*)$ [NC] RewriteCond %1%2 (^|&)([^&].*|$) RewriteRule ^(.*) /$1?%2 [R=301,L]</IfModule>
But I don't know how to translate this to an IIS rewrite rule. Any help would be much appreciated!
FTP settings and swapping volumes.
We have a Windows 2008 R2 file server that hosts an FTP site for transfers. The FTP site is pointed to an E:\ drive. The E:\ drive is an RDM.
With the EOL on Windows 2008 R2, we are building a new Windows 2019 server. I have created an FTP Site and pointed the storage to a dummy E:\ drive that is a VMDK. If I was to detach the dummy drive and attach the RDM (Note it would be E:\ as well) will the FTP site still be bound to E:\ on the RDM or would I have to rebuild it and remap?
HTTP Redirect loop
I need to set up a HTTP redirect so the default web site does not load. The background is there is a need to disguise the server name from prying eyes so an alias is used, problem is this can only point connections to the default web site.
When I enable this and try to load the page it goes into a loop and adds the subdirectory name over and over again.
The config is as follows.
Server 2019 Version 1809 OS Build (17763.107), IIS 10.0.17763.1
Server name: iis10.domain.com
HTTP Redirect destination: http://iis10.domain.com/subdirectory
Redirect behavior: Permanent (301)
Result, when trying to load the page: http://iis10.domain.com/subdirectory/subdirectory/subdirectory/subdirectory/subdirectory/subdirectory/subdirectory/subdirectory/subdirectory/subdirectory
If I point this to another server, e.g. iis10a/domain.com/subdireectory it loads the page just fine
What is causing this and how do I get it to load the page?
PPTP VPN Web Client Connection Reset
Hello,
I am new in this field so, excuse me for my lack of knowledge.
My setup is on windows server 2008 r2 enterprise sp1, The VPN server and the Web server (IIS 7) are on the same machine.
We are hosting a SCADA web server which is meant to be remotely accessed by VPN clients and when I navigate to its address as a VPN client I get "Connection reset" in (Internet Explorer-Chrome), I believe it doesn't get me to the windows security login form, by investigating the log file we get those couple of unique entries:
2019-05-09 06:32:39 192.168.1.106 GET /citect - 80 - 192.168.1.106 Mozilla/5.0+(Windows+NT+10.0;+WOW64;+Trident/7.0;+rv:11.0)+like+Gecko 401 2 64 3697
2019-05-09 06:32:58 192.168.1.106 GET /citect - 80 - 192.168.1.106 Mozilla/5.0+(Windows+NT+10.0;+WOW64;+Trident/7.0;+rv:11.0)+like+Gecko 401 2 121 18907
Regarding that I can access other network devices web servers successfully when I am connected remotely as a VPN client and this web server can be accessed successfully by any local machine in the network.
411 error page
I want to remove default 411 error page, and show custom error page.
I try to add 411 error cod on "error page", but it doesn't work.
I think 411 error page looks different with other error page like 404, so I guess the solution may be different.
Please give me some advice!!
Here is the response from server.
HTTP/1.1 411 Length Required Content-Type: text/html; charset=us-ascii Server: Microsoft-HTTPAPI/2.0 Date: Fri, 03 May 2019 14:35:11 GMT Connection: close Content-Length: 344<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN""http://www.w3.org/TR/html4/strict.dtd"><HTML><HEAD><TITLE>Length Required</TITLE><META HTTP-EQUIV="Content-Type" Content="text/html; charset=us-ascii"></HEAD><BODY><h2>Length Required</h2><hr><p>HTTP Error 411. The request must be chunked or have a content length.</p></BODY></HTML>
Thank you. Have a nice day!
Problem to access FTP
Hi,
Please help and advise to error below with FTP (on 2016 server).
Getting Service not available error after installing Url-Rewrite module in IIS
I have configured IIS -8.5 in my windows server and when inside this I am installing URl- Rewrite module then all websites stop working.
I have installed 2.1 version of Url-Rewrite module.
when I have been running website in browser then getting "HTTP Error 503. The service is unavailable." in the browser.
Inside the server status I have found error -"The Module DLL C:\Windows\system32\inetsrv\rewrite.dll failed to load. The data is the error."
I have tried by repairing the module then after also I have faced same issue.
Waiting for the response
Thanks a lot
test pesan
thanks
Not receiving NDR send to Reply-To address
Using IIS 6.0, SMTP Virtual Server, we are able to send without issue, but when sending to an invalid email address, we are not receiving the NDR in the inbox of the Reply-To address. This only happens when we configure the Reply-To address to be a Microsoft Exchange email account. I have tested this using an email group, and a single-user email inbox, but both tests yielded the same results. I have been in communication with Microsoft Support for a week regarding this issue, and they have simply stopped offering more help beyond referring me to other Microsoft Support avenues, i.e. the forum, or signing up for a support package. I have plenty of logs to share, but am unwilling to post them on a public forum. Please provide an address to which I can forward those logs in your reply. Thank you.
Need help fixing this reverse proxy for qBittorrent
For the most part this "works". if I use the external url
https://example.com/qtweb I get broken graphics and tables. But if I use
https://example.com/qtweb/ with the trailing slash then it works perfectly. I am trying to avoid having to manually type in the trailing slash. I was wondering an expert can help me fix this web.config.
this is what happens when it goes without the trailing slash https://localhost/qtweb#Start
this is what happens when I manually type in the trailing slash https://localhost/qtweb/#Start
<?xml version="1.0" encoding="UTF-8"?><configuration><system.webServer><rewrite><rules><rule name="ReverseProxyInboundRule1" stopProcessing="true"><match url="(.*)" /><action type="Rewrite" url="http://win81-ent-vm03:8085/{R:0}" /><serverVariables><set name="HTTP_X_ORIGINAL_ACCEPT_ENCODING" value="{HTTP_ACCEPT_ENCODING}" /><set name="HTTP_X-Forwarded-Host" value="{HTTP_HOST}:{SERVER_PORT}" /><set name="HTTP_ACCEPT_ENCODING" value="" /><set name="HTTP_REFERER" value="" /><set name="HTTP_ORIGIN" value="" /></serverVariables></rule></rules><outboundRules><clear /><rule name="Restore Encoding" preCondition="Restore HTTP_ACCEPT_ENCODING}"><match serverVariable="HTTP_ACCEPT_ENCODING" pattern="^(.+)" /><conditions logicalGrouping="MatchAll" trackAllCaptures="true" /><action type="Rewrite" value="{HTTP_X_ORIGINAL_ACCEPT_ENCODING}" /></rule><rule name="ReverseProxyOutboundRule1" preCondition="ResponseIsHtml1" patternSyntax="ECMAScript"><match filterByTags="A, Area, Base, Form, Head, IFrame, Img, Input, Link, Script" pattern="^http(s)?://win81-ent-vm03:8085/(.*)" /><conditions logicalGrouping="MatchAll" trackAllCaptures="true" /><action type="Rewrite" value="http{R:1}://example.com/qtweb/{R:2}" /></rule><preConditions><preCondition name="ResponseIsHtml1"><add input="{RESPONSE_CONTENT_TYPE}" pattern="^text/html" /></preCondition><preCondition name="Restore HTTP_ACCEPT_ENCODING}"><add input="{HTTP_X_ORIGINAL_ACCEPT_ENCODING}" pattern=".+" /></preCondition></preConditions></outboundRules></rewrite></system.webServer></configuration>
Need help with Rewrite Map that has similar keys
Hi,
I have a problem with using IIS URL Rewrite Maps.
Below is my Rewritemap
<rewriteMaps>
<rewriteMap name="SharePointOnline" >
<add key="/flavors/sci" value="https://sss.sharepoint.com/sites/poc-1" />
<add key="/flavors" value="https://sss.sharepoint.com/sites/office365" />
</rewriteMap>
</rewriteMaps>
and my Rule below
<rewrite>
<rewriteMaps configSource="RewriteMaps.config" />
<rules>
<rule name="Redirect rule1 for SharePointOnline" stopProcessing="false">
<match url="([^/]+)(/?.*)" />
<conditions>
<add input="{SharePointOnline:/{R:1}}" pattern="(.+)" />
</conditions>
<action type="Redirect" url="{C:1}{R:2}" appendQueryString="true" redirectType="Permanent" />
</rule>
</rules>
</rewrite>
When I try accessing www.contoso.com/flavors/sci/_layouts/15/viewlsts.aspx it always redirects to https://sss.sharepoint.com/sites/office365/sci/_layouts/15/viewlsts.aspx
Can you help me how i can fix the above. I have 100 urls which has /flavors in the url which i need to redirect to different sites
500 Internal server error for 1.8 GB file upload - IIS 7.5 and WebAPI
Hi All,
I have a WebAPI(.net 4.6) and hosted in IIS7.5, One of the action method is written to receive files to the server using PUT verb.
Refered details from the
URL and written the code which uses WebHostBuferPolicySelctor to get bufferless stream to receive a file. Multipartformdata MIME type is used here. below is my code
using (StreamContent content = new StreamContent(HttpContext.Current.Request.GetBufferlessInputStream(true))) { foreach (var header in this.Request.Content.Headers) { content.Headers.TryAddWithoutValidation(header.Key, header.Value);} await content.ReadAsMultipartAsync(new CustomMultipartFileStreamProvider(TPDirectoryPath, fileName))}
Config Settings(for bigger file size)
Below is the webapi config settings
<httpRuntime targetFramework="4.6" maxRequestLength="2147483647"/> <requestLimits maxAllowedContentLength="2147483647"/>
IIS Settings (for bigger file size)
maxRequestEntityAllowed = 4294967295
uploadReadAheadSize = 2147483647
Above things are working fine for the file sized up to 800 MB, but when I am trying to upload a file of size >1 GB; I am getting 500 internal server error in managedpipelineHandler module.Its not reaching application code and failed at IIS itself.
Error Summary - HHTP Error 500.0 - Internal Server Error
Detailed Error Information
Module: ManagedPipelineHandler
Notification: ExecuteRequestHandler
Handler System.Web.Http.WebHost.HttpControllerHandler
Error Code 0x8007000e
Could some can please help me out on what is the problem here with IIS for bigger file size?
enumerate connection strings
I wrote a vbscript to enumerate all the virtual directories of websites on our web server I have now been asked to add what databases the website are using to that script. In the GUI it's called the " Connection String " but , I can't find where that information is stored. Does anyone know what object do I need to connect to and what is the name of the item that holds that information or is there any example code I can reference? Thank you for any help I can get it will be greatly appreciated.
please help - cannot access IIS from outside a VM
I run Windows 10 inside a VM running via kvm on debian Linux.
I could fix everything, share the clipboard, mount a shared folder in a shell via cifs-tools. I use the spice-guest-tools that installed a certain number of drivers (network, I/O, etc).
BuT I am stuck to access an IIS webserver running in development inside the VM.
I enabled the port 43306 that I need in the windows firewall incoming TCP trafic.
In the Internect Information Manager, I could change the config for ipSecurity to enable the IP of my host. I added many variants.
I reached a state for which the host linux can access the server in the VM but it causes a 403 error.
If I add a binding to the IP of my VM in IIS manager, I then get a 401 error, the same error I get from both inside the VM and outside the VM.
I also had played with HTTP redirect and I could not removve it properly even though it looks removed. SO I may need to reinstall WIndows but it should be fast. And then I wil reach the error 401 step above. I also played with the anonymous authentication and then it started to show a default IIS page that I could not remove to reac h the old state.
BUt let us assume I reinstall windows,
If I am inside the VM, on windows, the IIS server is run, and it only allows an url of the form localhost:44306. If I put the IP of the VM (the IP of windows not of linux), then I get an error not authorized with a large page. THis happens only in WIndows in a pure WIndows and IIS world. Not really caused by being in a VM.
I created a binding for the VM IP, it changed the error page but I am still not authorized with the login information I have.
STuck on that. A binding was not enough, it still blocks the authentication. ALso I have registered the certificate of IIS inside firefox.. ANd somwehre in the IIS manager I think I could pick the righ certificate set up from and towards localhost.
Load Balancing with F5's
Hello,
I'm currently setting up 2 web servers behind an F5 Load Balancer. The 2 web servers host multiple web apps and we are able to make successful calls to these web apps remotely but when we are on the actual web server and its making calls to another web app on the same server we get a "Remote connection refused" when its resolving to the VIP but if we resolve to an IP binding on the server it works just fine. Is there something I'm missing here? I would really hate to add entries to host files.