Questions tagged [mod-ssl]

The Apache Httpd interface to OpenSSL

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1 answer
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How to disable SSLCompression on Apache httpd 2.2.15? (Defense against CRIME/BEAST)

I read about the CRIME attack against TLS Compression (CVE-2012-4929, CRIME is a successor to the BEAST attack against ssl & tls), and I want to protect my webservers against this attack by ...
Stefan Lasiewski's user avatar
4 votes
1 answer
9k views

Forcing SSL in Apache without hard-coding the hostname

I think that I have this sorted (thanks mainly to the question How to redirect non-www to www without hardcoding using .htaccess?), but I still don't entirely understand a couple of things. I would ...
Owen Blacker's user avatar
0 votes
1 answer
751 views

installing SSL certs on apache ... what certs to use?

Im an intermediate Linux user and got assigned the task to make Apache run https connections. Currently running centOS 6 and my problem is following: installed mod_ssl and tried to set up paths ...
Zee's user avatar
  • 3
59 votes
8 answers
122k views

Apache: SSLCertificateKeyFile: file does not exist or is empty

I am configuring SSL for Apache 2. My system is Ubuntu Server 10.04 LTS. I have the following settings related to SSL in my vhost configuration: SSLEngine On SSLCertificateKeyFile /etc/ssl/private/...
blueFast's user avatar
  • 4,350
36 votes
6 answers
296k views

How to enable TLS 1.1 and 1.2 with OpenSSL and Apache

In light of a growing number of security issues, such as the newly announced Browser Exploit Against SSL/TLS (BEAST), I was curious how we could go about enabling TLS 1.1 and 1.2 with OpenSSL and ...
John's user avatar
  • 2,276
17 votes
1 answer
17k views

Why is my SSL certificate untrusted on Android?

The SSL certificate is trusted on most Desktop computers, but only some Android devices. However, even on Android devices where the certificate is untrusted, the root certificate is installed. I must ...
magnus's user avatar
  • 291
15 votes
3 answers
24k views

SSLCertificateChainFile Deprecation Warning on Apache 2.4.8+

We have an SSL Certificate for our website from Network Solutions. After upgrading Apache/OpenSSL to version 2.4.9, I now get the following warning when starting HTTPD: AH02559: The ...
DOOManiac's user avatar
  • 811
15 votes
7 answers
87k views

Session Cache is not configured... why?

I'm running (trying to run, actually) Apache 2.4.2 on Windows Server 2003 R2 32 bit (plus PHP 5.4.5 and OpenSSL 1.0.1c, but I don't think that matters), and I'm getting the following line in the error ...
MaxArt's user avatar
  • 525
13 votes
4 answers
55k views

How to disable TLS 1.1 & 1.2 in Apache?

I have an Ubuntu 12.04.2 LTS server running Apache 2.2.22 with mod_ssl and OpenSSL v1.0.1. In my vhosts config (everything else within which behaves as I would expect), I have the SSLProtocol line ...
Kyle Lowry's user avatar
9 votes
2 answers
16k views

mod_ssl SSLCACertificatePath Proper Usage or What is the Best way to Handle Multiple Acceptable Client Certificate CAs

I am attempting to use the mod_proxy SSLCACertificatePath directive, but I'm a tad bit confused on how to use it properly. Here are two links explaining the SSLCACertificatePath directive: http://...
hooknc's user avatar
  • 245
6 votes
2 answers
31k views

Can I upgrade OpenSSL version used by apache without recompiling the server but just mod_ssl?

I have an Apache server on a Unix machine: Apache/2.2.29 (Unix) OpenSSL/0.9.8zg I would like to upgrade the OpenSSL version to 1.0.2, which is the version currently installed on my system: machine:/...
user3019105's user avatar
5 votes
2 answers
6k views

SSL_CLIENT_CERT_CHAIN not being passed to backend server

I have client certificate configured and working in Apache. I want to pass the PEM-encoded X.509 certificates of the client to the backend server. I tried with the SSLOptions +ExportCertData. This ...
nidkil's user avatar
  • 161
5 votes
0 answers
2k views

Apache 2.2 fails with "unable to write 'random state'" with 2048-bit RSA key (1024-bit works fine)

I'm usually pretty good with Apache and OpenSSL, but this one has me completely baffled. I'm running Apache 2.2.22 and OpenSSL 1.0.1 on a Ubuntu 12.04 LTS Server. I have an IP-based virtual host ...
Calrion's user avatar
  • 570
3 votes
1 answer
7k views

How to setup multiple Apache SSL sites using multiple IP addresses

How do you setup a single Apache2 config to host multiple HTTPS sites each on their own IP address? There will also be multiple HTTP sites on just a single IP address. I do not want to use Server ...
Jeff's user avatar
  • 1,426
3 votes
1 answer
4k views

Discrepancy in SSL Ciphers between Apache 2.2 and OpenSSL 1.0.1

I'm running up-to-date Ubuntu 12.04 LTS with Apache 2.2.22-1ubuntu1.4 and OpenSSL 1.0.1-4ubuntu5.11. I have configured Apache to use ciphersuites list from https://wiki.mozilla.org/Security/...
Mxx's user avatar
  • 2,382
2 votes
1 answer
4k views

OpenSSL error when compiling Apache HTTPD - undefined reference to `SSL_in_init'

We run Apache HTTPD as a production load balancer using mod_ssl with OpenSSL. I'm trying to recompile Apache HTTPD on the latest version (2.4.41) and am encountering the following error when running ...
DGoodman's user avatar
2 votes
2 answers
2k views

Apache redirect user if they are using SSLv3

I'd like to redirect any users on our site if they try to use SSLv3 (if I just disable SSLv3 and a browser like IE6 comes along, I couldn't seem to properly redirect it to an http version of our site ...
Jarrett's user avatar
  • 261
2 votes
1 answer
17k views

centos6 apache2 Invalid Command SSLEngine

Running: CentOS6 x64 When I restart httpd, I get the following error. What am I missing? [root@localhost ~]# service httpd restart Stopping httpd: [ OK ]...
Christian's user avatar
  • 796
2 votes
2 answers
2k views

Building an SSL server farm

I'm interested in building the the architecture in the article referenced below. I currently have a modestly-priced layer-4 load balancer and my application servers are the SSL endpoints. I want to ...
dan's user avatar
  • 426
1 vote
1 answer
92 views

httpd crash with ssl_io_filter_cleanup () from /usr/lib64/httpd/modules/mod_ssl.so

version: httpd-2.4.54-1.el8.x86_64 Core generated when i do httpd condrestart for a task and also i can see some ssl_error_logs which is related to the core file pid. gdb logs: Core was generated by `/...
Bhanuchander Udhayakumar's user avatar
1 vote
1 answer
3k views

Missing NPN Extension

I'm trying to set up mod_spdy with Apache (mod_spdy-0.9.4.3-r420 and apache2-2.2.22-13+deb7u3 on Debian Wheezy). As far as I can tell, everything is the way it's supposed to be, but I'm getting the "...
Jay K's user avatar
  • 167
1 vote
4 answers
5k views

Apache2 ssl with ecc

Is it possible to configure Apache2 to use elliptic curve crypto (ecc) with SSL? This bug https://issues.apache.org/bugzilla/show_bug.cgi?id=40132 appears (to me) to indicate that this is supported, ...
ykaganovich's user avatar
1 vote
2 answers
3k views

Yum Update Failing mod_ssl and glibc_devel

Any ideas on how to get this to not fail? # yum update Freeing read locks for locker 0x82: 4189/140342084876032 Freeing read locks for locker 0x84: 4189/140342084876032 Freeing read locks for locker ...
Kerry Jones's user avatar
1 vote
2 answers
3k views

Validating SSL clients using a list of authorised certificates instead of a Certificate Authority

Is it possible to configure Apache (or any other SSL-aware server) to only accept connections from clients presenting a certificate from a pre-defined list? These certificates may be signed by any CA (...
Gavin Brown's user avatar
1 vote
0 answers
10k views

Apache SSL handshake interrupted by system

I have an up-to-date Ubuntu 12.04 server running Apache 2.2.22-1ubuntu1.4. For every HTTPS request my Apache logs record what appear to be error messages related to encrypted connections. Self-signed ...
Mxx's user avatar
  • 2,382
0 votes
1 answer
40k views

Job for httpd.service failed

after following this tutorial :https://www.digitalocean.com/community/tutorials/how-to-create-an-ssl-certificate-on-apache-for-centos-7 I have tried everything I possibly can to fix the error I have ...
Yusaf Khaliq's user avatar