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Questions tagged [iis]

Internet Information Services (IIS) is a web server application and set of feature extension modules created by Microsoft for use with Microsoft Windows.

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0answers
33 views

Windows Firewall blocking local access to SQL Server?

I have an AWS virtual machine running a web application on IIS that connects to a SQL Server database (on the same machine). Recently, I have noticed that there are a plethora of failed login attempts ...
1
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2answers
106 views

2-way SSL - is it possible to accept multiple client certs on one IIS site?

A client has asked us to build an API which requires two-way SSL. Will we be able to expose that same API to other clients with different certificates? Or will we have to set up a different endpoint ...
2
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1answer
83 views

Security Log Analyze [closed]

is there any tools that I give it web server log (like Apache web server) and analyze it if there was any attack or not? I don't want to use SIEM.
1
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1answer
48 views

Deny access to IIS Server from IP local range

I have a local IIS 10 Server, this server runs a critical application. I want to deny access for this server from IP local network and allow only 2 or 3 IP-addresses. Additionally I want to log any ...
1
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0answers
68 views

SSL Certificates and Private Key passhprases

I'm trying to put together a new PKI program for my company, and I'm a little turned around on the concept of Private Keys and passphrases. We'd like to implement Microsoft Active Directory ...
3
votes
2answers
368 views

Configuration for Windows account mapped to IIS certificate authorization

I need to connect two servers in different locations in order for one of them (Linux stack) issues HTTP periodic requests to the other (Windows stack) using cron based jobs. On the Windows machine, I ...
1
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1answer
549 views

IIS - giving service accounts admin rights?

I'm looking at a application running on IIS which requires service account(s) to run some services/software, however the service account requires LOCAL ADMIN access which is against policy. Are there ...
2
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0answers
216 views

What trivial attacks is ASP.NET MVC mixed-mode auth vulnerable to?

In a 2012 MSDN blog post, Microsoft discourages mixed-mode authentication in ASP.NET MVC for being vulnerable to trivial attacks: The ASP.NET team doesn’t support using mixed-mode authentication in ...
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0answers
35 views

Is it safe to remove read-only attribute from wwwroot?

I have recently moved to a windows 2012 R2 serevr. I have problem for deleting files through HTTP even though I have granted modify,write and read permissions to IIS_ISURS. I noticed that inetpub/...
2
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1answer
179 views

How secure IIS run together with XAMPP?

I'm using IIS for web server & run phpMyAdmin via IIS. But now, I saw someone use IIS and XAMPP. There is something I wanted to know. Usually they set : XAMPP to localhost:81 or localhost:...
1
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1answer
132 views

Islanding vs server lockdown

TL;DR: We're considering disconnecting our manufacturing computers from the outside world. How much less secure would it be to connect them only to a local server, which in turn connected to the ...
2
votes
1answer
411 views

SSL certificate for WebAPI

We have a simple system with a REST service (WebAPI) that will be hosted on one machine (hosted on IIS on a custom port, port numer 3031) and with a website hosted on another machine that will be ...
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0answers
50 views

Has Microsoft ever official recommended forms auth over Windows Auth

My team is debating using Windows Authentication for a public facing website. I’ve been scouring the forms and can see the numerous security vulnerabilities of replying on NTML, and I can see the ...
1
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1answer
40 views

Use D Parameter Of Private Key as HMAC Secret for JWT in a Load Balanced Environment

I need to use a signature for a JWT that needs to be created or verified on 12 different servers running in a load balanced environment. They all already have the same RSA Key Pair stored in the ...
0
votes
1answer
358 views

Is it safe to use an AD account to run an App Pool in IIS in order to provide SQL read/write permissions to a web app?

I've been working on an intranet web application that provides read/write, role-based access to a database. I have been asked to configure the IIS application to use an AD account for the Application ...
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0answers
2k views

Prevention of host header injection in ASP.NET?

How can we mitigate host header injection in ASP.NET? I have already configured application binding in IIS and set static hostname but still, the vulnerability exists.
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0answers
391 views

Windows server configured for TLS 1.1 and 1.2 but scans as 1.2 only

I've got a Windows 2008 R2 server with both TLS 1.1 and TLS 1.2 enabled (but TLS 1.0 disabled) in the registry. In other words, Enabled = 0xffffffff and DisabledByDefault = 0 under both the Client and ...
2
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0answers
795 views

how to fix Out-of-band resource load (HTTP) issue identified by BURP scan

I have Salesforce application which is using my web application hosted in one of our customer's server (IIS 8.0). BURP Scan has identified one issue in my web application. Issue is something like ...
0
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1answer
300 views

django-python3-ldap Does TLS Encrypt AD Passwords When Site is Hosted on http

I have implemented django-python3-ldap and integrated AD with my Django project. The project will be hosted on IIS as an intranet site that is served solely over http. I am deciding between using this ...
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0answers
52 views

Can you start a shell with a service account in Windows?

In windows, there are service accounts like HOSTNAME\IUSR which are able to run certain processes (IIS in this case). Are these accounts vulnerable to being broken into and starting a remote shell (...
0
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1answer
88 views

What attacks is my website subceptable to and how can I prevent them? [closed]

I am developing a website using this book. From my knowledge and from the book, the major issues that I would have to look out for are XSS, CRSF and SQL injection attacks. I have found that there is ...
5
votes
2answers
679 views

Vulnerable framework and IIS server version's are being displayed in an error page of a 3rd party application

As security tester, I need to report and justify that a security misconfiguration in a 3rd party application is a risk to us. Following is the scenario: 1.) There is a 3rd party application which ...
2
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1answer
1k views

Is SSL still secure if SSL Settings in IIS is set to ignore or accept only?

Is SSL still secure if SSL Settings in IIS is set to ignore or accept only? I have setup my https and I can access it in my browser even it is set to require ssl and clientCredentialType = ...
2
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2answers
343 views

Can enforcing a website to serve SSL requests only prevent SSLstrip from working?

I understand running a website with HSTS can help prevent an attacker using KRACK to downgrade the website to serve HTTP requests. What if our web server does not support HSTS? IIS has a setting ...
2
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0answers
27 views

IIS 7.5 don't let to use stream cipher! [closed]

Internet Information Services 7.5 in Windows 7 don't let me to use stream cipher. When I change the local group policy to force the use of stream cipher or GCM mode, which works like stream cipher, ...
1
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1answer
258 views

SERVER-IIS multiple extension code execution attempt

Sourcefire detected a SERVER-IIS multiple extension code execution attempt event and captured a packet. It originated from a Chinese IP, AbuseIPDB has several records about its malicious activity. ...
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1answer
33 views

Secure access to pre authorized individuals only on application server [closed]

I am building a PHP application and would like to lock the backend (even login page) to only be accessible to preauthorized people - even further be able to link activities to the authorized ...
5
votes
3answers
45k views

How to add X-Frame-Options header to a simple HTML file?

I am having trouble adding X-Frame-Options header to a simple HTML file. Is there any way to do it using JavaScript?
0
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1answer
67 views

SSL cert securing an on-premises web service where the domain is hosted externally

We have a customer, let's call them ABC123 Ltd, who have an existing website on abc123.ie hosted by a hosting provider. It's just an informational site with no login\commerce function so currently ...
1
vote
2answers
675 views

Can http referrer value be used to stop spam bots?

I have a public sign up site, and when they click submit, a verification text message goes out to the phone number specified in sign up by calling an aspx page via ajax. I don't want spam bots sending ...
2
votes
1answer
80 views

SSL cert for securing on-premises IIS web application

We have a customer, let's call them ABC123 Ltd, who have an existing website on abc123.ie hosted by some hosting provider or other. It's just an informational site with no login\commerce function so ...
6
votes
2answers
577 views

How to ensure that our production environment deployment process is PCI-compliant when we need to perform live code updates?

In planning the next phase of our platform, I am trying to ensure that the production deployment process is PCI compliant. We have a central platform which acts as a CMS, serving custom content based ...
2
votes
3answers
651 views

How to defend against web server security scanners? [closed]

I'm developing/hosting an Asp.Net IIS Website on AWS. I have added StackExchange.Exceptional, and in the first days, I get exceptions about attempts to access pages like: /CFIDE/administrator/ and ...
0
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1answer
265 views

Is the CSR and public key the exact same thing?

Is the CSR and public key the exact same thing? I require the CSR - can I create a Public key from .cer and use it as CSR? I need the CSR for HPKP backup key generation. Is OpenSSL the only way to ...
1
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2answers
236 views

Creat IIS USER in SQL from different machine [closed]

I am trying to create a IIS APPPOOL\poolName security login in SQL but getting this error "Windows NT user or group 'IIS APPPOOL\poolName' not found." I am doing this to run elmah. doing this from ...
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votes
2answers
158 views

Website taken down by host.txt

I had my clients site just hanging today. It appears a host.txt file was inserted into the root folder. I run a Windows 2012 R2 server and IIS. The website has anonymous access allowed. I have set ...
1
vote
2answers
156 views

Website using Windows integrated - can user get locked out

I have a website that the IIS folder is set to Windows, that's the windows integrated authentication. It is available from the reverse proxy so any Internet user can access the URL. They then get ...
1
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0answers
256 views

IIS with Windows authentication: can we know that an authenticated user would have connected from a machine on the domain?

If I have an ASP.net web app set up to use windows authentication only on IIS, does it follow that any authenticated user should have connected from a machine that's joined to the domain? Does it ...
1
vote
0answers
262 views

Can RC4 ciphers be disabled in Windows Server 2008?

Having some difficulty with disabling RC4 ciphers in Windows Server 2008 SP2. All the guidance I'm seeing for doing this is specific to Windows Server 2008 R2, including the creation of registry keys ...
1
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2answers
464 views

what is the security issue if session time out is the default value from server configuration?

In a web-application the session time-out is not defined neither in the application nor in the application configuration. But the default time out is taken from the IIS. what is the security issue if ...
2
votes
1answer
147 views

Invalid CSR when using Let's Encrypt web tools

I've created a CSR using IIS. When I paste the text here... https://www.sslshopper.com/csr-decoder.html ... it validates correctly. But when I use the Let's Encrypt tools here... https://zerossl....
2
votes
2answers
109 views

Migrating IIS to Azure

So basically, right now we have a fully public facing Web server inside the local network and is a member of the domain. We're going to be migrating this to azure. I have recommended that the server ...
1
vote
1answer
381 views

IIS renew option missing for self-signed certificate

does anyone know why the "Renew" button is missing in IIS 7 ? It's a self-signed certificate and I'd like to renew it. Is is because it's self-signed ? I have another certificate within IIS and it ...
2
votes
0answers
3k views

How to exploit a file upload to an IIS 5.1 [closed]

I found the following services in a testing environment: 21/tcp open ftp Microsoft ftpd 80/tcp open http Microsoft IIS httpd 5.1 The FTP server allows anonymous logins and ...
1
vote
0answers
342 views

Microsoft IIS 7.5 from Time Based SQLi DBA to shell

I am dealing with a time-based SQLi in a Microsoft IIS 7.5 Server and I want to upload a shell. My approach is to get the internal application path, and then, try to upload a file with sqlmap --file-...
2
votes
1answer
4k views

How to configure F5 load balancer and backend server both with SSL Certs

I have an F5 load balancer and a backend server. Load balancer is www.example.com. Backend server is server1.example.com. I have the F5 load balancer with SSL Profile (client) and SSL Profile (server) ...
2
votes
1answer
327 views

Which server is responsible for “security” when ASP.NET Core Kestrel is hosted behind IIS?

I want to understand how the flow between IIS and Kestrel works with regards to security. It seems that the integration between IIS and Kestrel is that IIS just sends absolutely all that it receives ...
3
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1answer
54 views

.NET extraction and storage of compression files concerns

I have been provided a specification for an enhancement to one of my companies software products to allow extraction of uploaded compression files (just Zip currently) that will save and migrate the ...
1
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0answers
372 views

allowdoubleescaping=true security implications

IIS does not allow doubleescaping per default, which is good practice. What are the real implications if enabled? How do/does a valid a attack scenario look like in this case - that uses double ...
1
vote
1answer
55 views

Can I use an old version of IIS and still be secure?

I've a site and it's using IIS 8.5 Can I be secure? IIS 8.5 is secure or it can be hacked easily? When should I update IIS and when shouldn't I?