Questions about the security of Apache open source software, especially Apache HTTP Server

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265 views

Is this slowloris attack or not?

IP is hidden in apache log for privacy, except last octet. /billing is our application start page. But it doesn't make sense that it sends POST requests, and get 500 response. Or maybe this is ...
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1answer
258 views

Why are OSX users of my TLS-only site being asked to supply a client certificate?

I purchased a Comodo SSL certificate (OV), and set up the Apache vhost config so that all traffic is forwarded to 443. Intermittently some users are being prompted to supply a client certificate; ...
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1answer
333 views

Installed new Wildcard certificates on my server, but still appear as expired on browser [closed]

I have bought new WILDCARD certificates (*.mydomain.com) for my servers. I was able to install successfully on one server. So, I know the files are correct and I was able to verify their validity. ...
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2answers
126 views

Force https, complex implementation

I have a website running on a dedicated server (single IP) on apache. Multiple domains are pointed to the website . For ex: sub.abc.com, sub.bcdaf.com I have now purchased a single SSL certificate ...
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1answer
551 views

What security concerns exist in running a glassfish app directly on port 443

I have installed Apache http server in front of glassfish based on recommendations i had in this question. I have been told that i will run into performance problems along with security issues. I was ...
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1answer
351 views

Exclude file names from mod_security patterns

I have a question regarding mod_security. I have installed mod_security on my server and OWASP core rule set. However, now people are having trouble when accessing my page. For example, one problem ...
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1answer
399 views

Checking if Mod_Rewrite is Enabled Remotely

When pentesting it is useful to know when apache mod_rewrite is enabled. But when one comes across a web server that does not utilize PHP it is difficult to tell if mod_rewrite is enabled considering ...
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35 views

Why does not ECDHE-ECDSA work? [migrated]

I am now using this ciphersuite: ...
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36 views

Make Apache server only to be avaliable for personal use? [closed]

I'm afraid if I have Apache active that someone can hack into my computer so everytime I had Apache active I went offline (I also installed XAMPP on USB stick because of that fear). How can I make ...
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59 views

Has HTTP bogus request type “COOK” been used in any known website attacks?

An apache web server access weblog shows a request type "COOK" where POST or GET are normally found. Is such a request part of any known web-based site attacks?
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90 views

How to recreate the Freak attack?

Currently I am trying to recreate the Freak attack on a virtual machine. For this purpose I set up a Linux Mint 17.1 system with Apache 2.4.7 (with a self signed certificate) and OpenSSL 1.0.1f. I ...
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1answer
96 views

Slow Loris Incomplete GET Request

A slow loris attack is an attack of incomplete GET requests to most famously an Apache server because the server does not timeout the connection made after extremely long periods of time, from my ...
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64 views

Kerberos based infrastructure with artifactory repo for our java artifcts with Apache reverse proxy and mod auth kerb. how can I access with gradle? [closed]

We recently migrated our company to a kerberos-based infrastructure. I successfully set up an Artifactory repo for our java artifacts, with Apache reverse proxy and mod_auth_kerb. How can I access ...
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1answer
3k views

removing SSLv3 does not seem to fix POODLE problem [duplicate]

I have removed SSLv3 from my Apache 2.2.15 ssl.conf file with the line SSLProtocol All -SSLv2 -SSLv3 I have restarted httpd but POODLE tests still show vulnerability exists with POODLE. What else ...
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1answer
251 views

Securely send password to script as parameter

I have an expect script on my server which opens a WebDAV connection to another server, expects a username and password, and then sends $arg1 and $arg2 as the username and password respectively. ...
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0answers
143 views

Which OWASP modsecurity crs version to install on apache 2.2.22

Hello I am considering installing owasp mod_security crs on an ubuntu 12.04.4 which comes with apache 2.2.22. On the github page I have seen many version's but all tutorials were using 2.2.7 First I ...
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328 views

Current State of BREACH (GZIP SSL Attack)?

It has been one year since BREACH made our way into our hearts, and there does not seem to be any articles or posts or patches since then, is my Google-fu weakening? Has BREACH been mitigated or ...
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42 views

Mysql Virtual IP and timeout

What are the risk that I encounter when increasing the timeout of a vip between a web server (apache) and mysql cluster (two servers). Actually it is set to 5 minutes. If time_out was 1hour, knowing ...
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1answer
757 views

Strange bug in ModSecurity with the rule 950901

I have a classic ModSecurity configuration (apt-get...) SecRuleEngine Off SecPcreMatchLimit 1000 SecPcreMatchLimitRecursion 1000 SecAction "phase:1,t:none,nolog,pass, \ ...
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88 views

trackback spotted in multple http errors

[Sun May 11 12:24:46 2014] [error] [client private ip] [X_FORWARDED_FOR 27.159.207.165] Path not found: /contact_us_public.php/trackback/, referer: http://www.mydomain.net/contact_us_public.php Does ...
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0answers
44 views

How to manage security for multiple PC and VM?

I have a firewall VM which creates I have used to setup subnet for different purposes. For example: (fake ips, of course) 1.1.2.1/24 DMZ 1.1.3.1/24 Internal 1.1.5.1/24 security/logging I use ...
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396 views

Nessus scanner and Red Hat backport security updates

I have asked this question: False positive Apache version in scanner results on Centos I need additional clarification: Do you know if it is possible to configure Nessus to adopt Red Hat backport ...
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1answer
119 views

How to Minimize Apache Loadable Modules (serving MediaWiki)

According to Guide to the Secure Configuration of Red Hat Enterprise Linux 6, there is this policy: "In certain scenarios, it is beneficial to remove certain httpd modules to limit the functionality ...
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1answer
1k views

WSO 2.5 Found on Apache

I have found on my web server the file wp-conf.php which when you call it from the browser with a url parameter like wp-conf.php?t7831n=any value shows an interface where you can control the entire ...
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202 views

How Do I Secure Apache Web Server [duplicate]

Possible Duplicate: Apache Server Hardening I'm going to make a web server on Apache 2. What are the security issue I will be looking at? And how do I secure it? I have been reading news ...
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1k views

Weird IP addresses showing up on my server

I have a personal server located in the US, I use it to execute code which requires a lot of resources. I sometimes have apache running on my server, to test php code. I recently left my apache server ...
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2answers
1k views

Running Apache as system service on Windows 2003 R2 64-bit

Trying to make my point, that running Apache with PHP5 module as Windows service is not secure. All I got to prove it - FTP access to some internal website. So what I did - I uploaded file test.php ...
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1answer
122 views

Google Chrome obsolete cryptography

I have a apache server running and following configuration for ssl: Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains" SSLProtocol -all +TLSv1.2 SSLCompression Off ...
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4answers
385 views

How to secure MySQL database usernames and passwords within a php file? [duplicate]

I am working on a PHP website and my researches showed that it is entirely possible that the server can get hacked and the PHP files may get exposed. I store the MySQL DB Username and Password within ...
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3answers
152 views

Disadvantages of disabling RC4 in SSL/TLS [closed]

Other than requiring more server resources, are there any disadvantages of disabling RC4 from being using by an Apache webserver? My primary concern is preventing access from older browsers.
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2answers
136 views

How to prevent Cookie-Bombs?

Egor Homakov made a nice writeup (Cookie Bomb or let's break the Internet) on how to crash CDNs and other websites with cookies. Although this is a user/browser-side DOS, I'm wondering how one would ...
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1answer
356 views

suspicious http request in logs

I found this request in my Ubuntu 14.04 apache2 access.log: xxx.228.207.244 - - [25/Sep/2014:17:52:03 -0400] "GET ...
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3answers
4k views

How to filter POST requests before they reach PHP on Apache?

I have done URL filtering with .htaccess (using learning and generator), however I am still concerned that any POST request can be submitted to the PHP even there is only one POST form on the website, ...
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1answer
52 views

.htaccess protected folder except IP

I created an e-shop with e-books and they are stored in specific folder which is protected by a .htaccess file : Order deny,allow deny from all allow from 127.0.0.1 The IP is the IP of the webpage, ...
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2answers
110 views

Security risk of using virtual hosts for public and internal sites

I have an Apache server which hosts a public website and an internal website. However, since Apache denotes virtual hosts based on the Host HTTP header, couldn't someone on the Internet request my ...
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2answers
257 views

Clarifying MITM attacks and Digital Certificate requirement

We are running a Portal application for our client with Payment Gateway integrated. Payment gateway uses SSL as it is suppose to be . The concern for me is that our Portal application does not use ...
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1answer
145 views

Dangers of PHP uploading word docs into a quarantine

I plan to write a PHP script which will allow web users to upload MS Word formatted docs. Here are the precautions I am taking: Filenames will be created by me (something like YYYY-MM-DD.doc) Files ...
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1answer
70 views

When can the exploit for CVE: 2006-7098 be used?

I'm studying the vulnerabilities of an old version of Apache, the 1.3.34. And I don't quite understand in what exact situation the CVE 2006-7098 vulnerability can be exploited. The README included in ...
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3answers
1k views

Prevent a server side script from a direct URL access

There is a server side script written in php(say backend_file.php) or coldfusion(say backend_file.cfm). Lets say, i am using Apache and I have a sample web folder (on my Localhost) like: ...
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1answer
407 views

501 Not Implemented ServerInfo.jsp

I looked at my logs from amazon ec2 instance and found the following lines: 94.177.121.102 - - [29/Mar/2014:08:50:52 +0000] "XGET /web-console/ServerInfo.jsp HTTP/1.0" 501 418 "-" "-" 94.177.121.102 ...
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1answer
221 views

Lots of bot hits, referer seems to be the variable

I've recently (over the last 15 minutes) had quite a few hits from the same IP, it's in a country on our blacklist so they just up up on our "Access Denied" page, but I was just interested in what ...
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1answer
2k views

“Must have” and “Preferred Cipher” suites terminology

I have received the following advise to set cipher suites to suitably mitigate Beast attack on a newly setup Apache HTTPD server. Preferred ciphers: RC4-SHA, RC4-MD5 Must Have Ciphers: ...
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3answers
953 views

How to find vulnerable sites on a web server

A client of mine has a managed VPS with dozens of websites on it, maybe even hundreds. Now his server keeps getting infected on a regular basis. The webhost / server admins keep digging in the dark. ...
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2answers
375 views

How to protect files (cron files) frome being executed by everyone?

I wonder what read / write permissions should I set on my cron files (php files) so they can be executed only by our server. We're using CentOS 5.9 - 64bit and cPanel / WHM + Apache. Thanks!
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2answers
377 views

Is there an easy way to secure Apache on debian?

I run an Apache webserver with lots of PHP-sites of several customers. I tried install apache-mod_security2 after this (german) tutorial that is using these rulesets: ...
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1answer
24 views

apache rewriterule htaccess security

If I configure an .htaccess like this : RewriteEngine On RewriteRule ^([^/]*)$ /view.php?key=$1 [L] Which transforms original URL http://www.test.com/view.php?key=123 rewritten URL ...
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1answer
806 views

is HttpOnly and Secure cookie enough to prevent CSRF in rest api?

I created one RESTful API using spring. I am transmitting a secret key as HttpOnly & Secure cookie with login response. After login every rest request will check with that cookie and update it ...
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2answers
261 views

cross-signed end-entity certificates: usage in apache/openssl/gnutls

A previous question, What is the use of cross signing certificates in X.509? described cross-signed certificates well. I have a situation where the clients trust CA1 xor CA2, and both need to reach a ...
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3answers
448 views

Securing apache by IP with .htaccess

I have a folder that I don't want to be accessible from outside my network's LAN. It seems like all traffic from the outside world goes through my firewall (192.168.1.39). So I made my .htaccess as ...
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2answers
156 views

how to block ip from head or ping or get or post to webserver (using apache and windows)?

am using apache 2.4.9 latest with windows 7 i am using some modules like limitipconn_module security2_module but using wireshark i get unlimited request to busy my webserver (DOS) from some ip ...