SSL (the predecessor of TLS) is a cryptographic protocol designed to provide communications security over a computer network. It is the S in HTTPS, IMAPS, SMTPS, etc.

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7answers
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How to disable SSLv3 in Apache?

Everybody seems to be talking about the POODLE vulnerability today. And everybody recommends disabling SSLv3 in Apache using the following configuration directive: SSLProtocol All -SSLv2 -SSLv3 ...
0
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0answers
38 views

Cannot send mail to gmail account using ssmtp

I have the following ssmtp.conf file: root=test@gmail.com mailhub=smtp.gmail.com:587 hostname=ed424cef9b52 UseTLS=Yes UseStartTTLS=Yes AuthMethod=LOGIN AuthUser=test AuthPass=test ...
1
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1answer
2k views

How to remove SSL certificate?

I've been asked to remove certificates from some of our servers, but I don't know anything about httpd configuration. If I have one server where if I do this /usr/sbin/httpd -t -DDUMP_CERTS ...
1
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2answers
1k views

Create SSL certificate non-interactively [closed]

I want to silently, non interactively, create an SSL certificate. I.e., without get prompted for any data. The normal way I create the certificate would be: openssl req -x509 -nodes -days 7300 ...
0
votes
1answer
39 views

wget: force no default certificates

I'm having trouble with verification of custom server SSL certificates and wget. wget -O- --ca-certificate=myservercert.pem https://www.google.com This should fail but does not, as wget does ...
0
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1answer
12 views

A question about sendmail macros and tls

http://docs.oracle.com/cd/E19120-01/open.solaris/819-1634/fvbqm/index.html Here i read some sendmail macros must be edited on mc file to work I want tls use version 1 and strong cipher How to put ...
1
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2answers
2k views

How to fix curl sslv3 alert handshake failure?

I'm trying to curl HTTPS website in the following way: $ curl -v https://thepiratebay.se/ However it fails with the error: * About to connect() to thepiratebay.se port 443 (#0) * Trying ...
1
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1answer
135 views

Unable to locally verify the issuer's authority

I am not able to open any https URLs using wget or curl: $ wget https://www.python.org --2015-04-27 17:17:33-- https://www.python.org/ Resolving www.python.org (www.python.org)... 103.245.222.223 ...
10
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2answers
19k views

Adding a self-signed certificate to the “trusted list”

I've generated a self-signed certificate for my build server and I'd like to globally trust the certificate on my machine, as I created the key myself and I'm sick of seeing warnings. I'm on Ubuntu ...
1
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1answer
776 views

Exim4 as smarthost with SSL?

I want to use exim4 as a smarthost to send email using an smtp mail account over ssl. I've seen the hosts_require_tls option, but I need SSL and not TLS. How should I do this?
1
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1answer
549 views

Nmap script execution to detect heartbleed is failing

Wanting to setup Nmap on my Ubuntu 14.04 LTS system to detect HeartBleed vulnerability. I followed the instructions here: ...
1
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1answer
473 views

Sendmail with TLS support changes FROM: address

I have multiple domains on one server and when sending email to server, which supports TLS, server changes FROM field to default domain ($j). What should i do (in .mc level please) to remain primary ...
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2answers
33 views

Can I make davfs ignore untrusted certificates?

My server provides WebDAV over HTTPS only, so that other machines can access the DAV. Say the certificate is issued for www.myserver.com and the WebDAV is at https://www.myserver.com/webdav. For ...
2
votes
2answers
966 views

How to display server's TLS certicicate details in terminal?

Having TLS certificate in local file, I can display its details using syntax like: openssl x509 -text -noout -in cert_filename Is there any way to display remote SMTP/POP3/HTTP server's TLS ...
0
votes
0answers
106 views

libssl undefined reference to symbol 'SSL_load_error_strings@@OPENSSL_1.0.0'

With the following CMakeLists.txt (I tried to snip it AMAP) https://gist.github.com/pbertoni/29200833dc562ab6ee2c I got this error from make at linking time: /usr/bin/ld: ...
5
votes
1answer
62 views

How to find more details on Invalid Certificates

Setup I am following this blog post to set up ASP.net MVC5 on Linux. When I get to the part that adds the Microsoft certificates, I am warned that they are invalid. For example, this command: ...
1
vote
1answer
125 views

Multiple RSA server certificates not allowed

I purchased a multidomain certificate, and I was trying to install it on my server. I put the following information inside the virtual host for one of my sites: <VirtualHost *:443> ... ...
0
votes
1answer
78 views

Script timed out before returning headers: iredadmin.py

I am trying to access my iRedMail backend at https://domain.com/iredadmin However, it keeps timing out with a 500 error. I check my error log, and I see the following: [Sat Apr 11 16:53:41 2015] ...
0
votes
1answer
14 views

Apache ReverseProxy ssl

I have the following ReverseProxy set up which works for http requests: NameVirtualHost *:80 <VirtualHost *:80> ServerName sub.domain.com ProxyRequests Off ProxyVia Off <Proxy *> Order ...
1
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1answer
93 views

Mplayer fails to play network stream

I'm trying to play youtube streams with mplayer. On running mplayer -cache 2048 https://www.youtube.com/watch?v=USUA_1WVM8I, I get the following output and the video does not play at all. MPlayer ...
0
votes
1answer
151 views

Does Apache 2.2.3 support TLSv1.1 and TLSv1.2?

How can I find out if Apache 2.2.3 supports TLSv1.1 and TLSv1.2? If possible how can I implement it?
0
votes
1answer
29 views

Looking for an email server that supports mysql ssl connection

I am trying to secure connections to my MySQL server. I have SSL set up but I am looking for programs that support a SSL connection to MySQL. Specifically I am currently looking for an email server ...
0
votes
1answer
74 views

Configure KVM/QEMU with TLS?

New to virtualization and kvm and I have a problem when i try to create a virtual machine with spice: virt-install --name Windows-7-x64 --ram 2048 --disk path=~/kvm/images/win7.img,size=50 --vcpus=1 ...
1
vote
1answer
50 views

When would CUPS use TLS?

I'm running Debian Testing on amd64, with the apt-listbugs feature that tells me if bugs are present before upgrading. Now the package libgnutls-deb0-28 has a serious bug to the effect that "CUPS ...
0
votes
0answers
65 views

OpenVPN TLS Error

I'm having trouble getting OpenVPN to work. I have installed and configured OpenVPN on my centos machine and it seemed to be going fine. I followed the instructions in the following link ...
0
votes
1answer
99 views

How to check mod_ssl.so version?

I'm running Apache 2.2.3 and would like to find out, how to check version of mod_ssl.so and if this module can support TLSv1.1 and TLSv1.2. Regards
0
votes
2answers
79 views

Implementing TLS 1.2 when I SSH into a box as a measure against POODLE

Is it possible to edit sshd_config or ssh_config, such that the SSH connection into a machine configured to use TLS1.2 is successful and rejects connections configured to use TLS1.1 and below, as well ...
0
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0answers
15 views

Enable TLS-SRP for, say, courier-imap

I want to use TLS-SRP for the services that I run on my server, because I don't want to leak credentials, not even on the server's disk. There are several articles on setting up TLS-SRP either with ...
0
votes
0answers
158 views

open ssl client giving error routines:SSL23_WRITE:ssl handshake failure:s23_lib.c:188:

On connecting to my application (a ssl server) by using command openssl s_client -host 127.0.0.1 -port 5028 -cipher EXPORT -debug -state I am getting error like CONNECTED(00000003) ...
0
votes
0answers
136 views

Cant use https on localhost

I am unable to use https on my localhost testmachine. I cant figure out the problem on my own so here is what i did: I placed the following to files in sites-available : 000-default.conf ...
1
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0answers
82 views

cURL does not recognize certificate

At our company they enforce a web proxy which breaks SSL connections and replaces the certificate by its own fake certificate. (To be precise it uses a proxy cert which is signed by the company cert.) ...
2
votes
1answer
174 views

CURL won't connect to self

I'm having a weird issue where CURL cannot connect to its own server. For example if I'm on server example.com wget https://example.com/ <--- WORKS FIND curl https://example.com gets error: 35 ...
2
votes
1answer
921 views

postfix smtp connection timed out, why?

A CentOS 7 web server has postfix, dovecot, and mailx installed. I have been able to make an IMAP connection to the server in order to read inbox mail using a remote Thunderbird client, but I am not ...
0
votes
0answers
64 views

Sign a soap message from a JKS dynamically using Python Unix

I am currently calling a webservice using Curl command from unix . I have a requirement that I have to dynamically message sign the soap request every time I make a call to the webservice using my ...
0
votes
0answers
41 views

Disabling sslv3 on samba4

How can I disable sslv3 on samba4 ldaps and just have tlsv1 enabled? I have not been able to find any documentation or guides on disabling this feature. This is in regards to the poodle ...
2
votes
0answers
28 views

Apache modssl returning random unwanted 200's rather than 404's

I have a fairly simple apache 2.4.7 config on CentOS 6.5 Linux and an active web server. No PHP or CGI, just some static pages and a proxypass to a different server tier. I'm doing some security ...
10
votes
2answers
28k views

apache2 Invalid command 'SSLEngine'

When I restart httpd, I get the following error. What am I missing? [root@localhost ~]# service httpd restart Stopping httpd: [ OK ] Starting httpd: ...
7
votes
5answers
14k views

invalid SSL_version specified at /usr/share/perl5/IO/Socket/SSL.pm line 332

Since I upgraded my PC from (k)ubuntu 12.04 to 12.10 I receive this error message when trying to send an email using sendemail. Installing an older version of IO::Socket::SSL is not an option. I ...
1
vote
3answers
6k views

Thunderbird fails to connect to Dovecot and Postfix

I set up Dovecot and Postfix, but when I try to authenticate with Thunderbird, it gives this error: "Thunderbird failed to find the settings for your email account." ==> /var/log/dovecot-info.log ...
3
votes
2answers
6k views

cURL/wget - SSLv3, TLS handshake, CERT hangs

I have problems connecting to https sites using cURL or wget. When I download from a https curl seems to be stuck while doing the TLS handshake, CERT. The problem is independent of the site (I noticed ...
1
vote
0answers
44 views

sendmail and certs

I am trying to set up sendmail for our company on a CentOS 6.6-Release server. Specifically, I want to use SSL, so that passwords are sent encrypted. ls /etc/mail/ssl intermediate.crt ...
1
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0answers
38 views

VSFTPD cutted uploads

Installed VSFTPD v2.3.2 on a Wheezy. When I try to put anything my ftp client (filezilla v3.5.3) it sends the file by parts of 229376 bytes interrupted by deconnexion/reconnexion untill the en of the ...
2
votes
0answers
258 views

NGINX Reverse Proxy - no user/password was provided for basic authentication

I've got Nginx set up on a RPi (raspbian)as a reverse proxy using SSL between the remote user and the Nginx instance. All seems to work well for two services mounted on the RPi (Shellinabox and RPi ...
0
votes
0answers
75 views

Using Varnish + Nginx Forcing SSL

i'm using Varnish and i would like to force communication only with SSL. My server is Nginx. What's the best way to do so? Or the easiest? I read about Pound proxy and installed it but guides were too ...
1
vote
4answers
11k views

Helo command rejected: need fully-qualified hostname Error

My mail server is in some blacklist cause of spams. I reconfugured postfix. Aften then My customers get this error they can't send emails. 404 4.5.2 <PLLAMNAZIFE>: Helo command rejected: need ...
0
votes
1answer
78 views

IMAP Dovecot cannot connect

I am trying to set up my own mail server (for 'fun'). I followed this tutorial to the bone. But I get this error message: imap-login: Disconnected (auth failed, 2 attempts in 9 secs): ...
0
votes
1answer
127 views

lwp-request Fails After Upgrade to Centos 7

I have a bash script that runs well on centos 6, which has an lwp-request in it. I upgraded my system to Centos 7, and the request fails to run: # lwp-request -E https://localhost/admin/startup GET ...
1
vote
0answers
127 views

Apache2 'Server' header reports wrong openSSL version

Does anyone know where the Apache 'Server' header pulls the openSSL version from (file location/directory)? I am expecting openssl-1.0.1j but apache is reporting openssl-1.0.1g (system's openssl ...
0
votes
0answers
43 views

Verifying SSL key and certificate files for a web server

I want my web users to upload their own SSL certificate files for their domains. I have the configuration environment all set up. But unfortunately, if Apache web server finds a broken SSL certificate ...
2
votes
2answers
627 views

What should I do about Python 2.7.9 not looking for SSL certificates in the right place on FreeBSD?

I have a FreeBSD 10.0 system, and a couple of days ago, I upgraded my python27 port from Python 2.7.8 to Python 2.7.9, which enabled SSL verification by default. Unsurprisingly, it broke my existing ...