The tag has no wiki summary.

learn more… | top users | synonyms

5
votes
1answer
17k 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: ...
0
votes
1answer
40 views

Still vulnerable after disabling SSLv3

I'm trying to disable SSLv3 to avoid the Poodle problem. I'm using the following instructions as a guidleine: https://access.redhat.com/solutions/1232413 I've applied the following line to my config ...
9
votes
5answers
4k views

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 ...
1
vote
1answer
130 views

Disable SSLv3 In cURL?

I'm having a problem connecting to a website that is hosted with CloudFlare using cURL. When I try to connect to the website with HTTPS (using curl -v https://www.xxxxxx.com), it says: * About to ...
3
votes
3answers
158 views

specify certificate of CA in Dovecot

In Postfix, I have specified my private key, my certificate, and the certificate of my CA smtpd_tls_CAfile = /etc/ssl/cacert.pem smtpd_tls_key_file = /etc/ssl/server.key smtpd_tls_cert_file = ...
1
vote
1answer
461 views

How to make local system CA certificates known to Firefox?

Recently, the CAcert root certificates have been removed from Debian (more precisely, from the ca-certificates package). Since I want to keep them, I backed up the directory ...
3
votes
1answer
3k views

How do I disable SSLv3 in an OpenSSH SSH server to avoid POODLE?

In wake of the newly-discovered POODLE vulnerability, I'd like to disable SSLv3 on all of my SSH servers. How do I achieve this with OpenSSH?
1
vote
0answers
27 views

cipher suites and disabling weak ciphers in JBoss

Our security audit report says that a number of our JBoss EAP 5.0 servers (on RHEL 6.x) has weak ciphers enabled. Upon doing some research, I found a .jar file (from ...
2
votes
1answer
39 views

FreeBSD 10 root certificate store

Is on a default FreeBSD 10 no root certificate store? When I install one by hand it is in /usr/local/share/certs/ca-root-nss.crt, which I symlink to /etc/ssl/cert.pem and thats the main places I ...
1
vote
1answer
30 views

“sec_error_unknown_issuer” in Iceweasel 22.0

If I visit a certain web-page with Iceweasel 22.0, then I receive the sec_error_unknown_issuer error. When I check the X.509v3 certificate hierarchy, then the top-most certificate is "DOD CA-28". ...
1
vote
1answer
4k views

Apache “RSA server certificate CN does not match server name” error

I have an apache installation with some name-based vhosts and a SSL certficate with CN=maindomain.com and DNS Alternative Names for the all the vhosts (sub)domains. However, this setup gives warnings ...
0
votes
1answer
630 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
vote
1answer
794 views

SSL handshake failure with Shibboleth

I am using Shibboleth for single user authentication and it needs a ssl configuration which facilitates the user authentication process. Before it was working fine but now I am facing a SSL handshake ...
1
vote
1answer
307 views

Chrome does not open Https websites [closed]

I am a corporate user with proxy server. I am working on the Fedora 20 OS and installed Chrome browser. I set proxy settings under Settings -> Network -> Change Proxy settings -> Network Proxy. ...
2
votes
3answers
1k views

`openssl`: Subject Alternative Name

I wrote this bit of code to get the Common Name of the subject field in the SSL certificate for a given domain: $ echo -e "GET / HTTP/1.1\nEOT" | openssl s_client -connect google.com:443 2>&1 ...
1
vote
1answer
47 views

svn: SSL is not supported

I am trying to check out code on a Unix box in the Z shell. When I run the following command svn checkout https://svn.example.net/svn/trunk/source build I get the following error message: svn: SSL ...
8
votes
2answers
4k views

adding SSL certificate for Github only (not all certificates from ca-certificates package)

I get the following error when accessing Github over HTTPS: error: server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none This is because I don't have any ...
1
vote
0answers
83 views

What's in the /etc/pki/nssdb database?

So, these files aren't empty... [ root@localhost ] # ls -l total 248 -rw-r--r--. 1 root root 65536 Jan 12 2010 cert8.db -rw-r--r--. 1 root root 65536 Dec 23 2013 cert8.db.orig -rw-r--r--. 1 root ...
3
votes
1answer
57 views

Proper way to handle FTP over SSL with restrictive firewall rules?

Without SSL, FTP works fine over a stateful Firewall, like netfilter (iptables) + the nf_conntrack_ftp kernel module like this: # modprobe nf_conntrack_ftp # iptables -A INPUT -m conntrack --ctstate ...
2
votes
1answer
89 views

Does fetchmail support SSL or TLS when using SMTP to forward email?

I am trying to forward emails that are fetched with fetchmail to another SMTP host, which enforces STARTTLS. I could not find a way to enable TLS in fetchmail. Is this possible at all? If so, how?
1
vote
3answers
5k 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
341 views

Redhat “httpd” start failed showing “ELinks: Connection refused”

I'm on RHEL 6.5 and Apache 2.2.15. And now applying a trusted SSL on the Server. After adding the respective SSL related Certs and files, my Apache is NOT starting up anymore. Here are some outputs: ...
0
votes
0answers
68 views

Linking synergyc: libcurl - undefined reference

I'm trying to compile synergy 1.5.0 on openSUSE 13.1 (Kernel 3.11.10-17). While linking, I get the following error: ... [ 83%] Built target ipc [ 84%] Built target client Linking CXX executable ...
2
votes
1answer
67 views

Generate a certificate signing request for an SSL server

I'm running CentOS 6.2 LAMP and I've just purchased an SSL certificate via Namecheap that I'm trying to install on my server. This is the certificate I purchased. How do I complete this process ...
3
votes
1answer
45 views

Add a single key to to CA certificates from an automated script

I'm doing some automation for a local machine in Vagrant using Puppet. I need to add a CA certificate to the trusted list in Ubuntu Trusty 14.04 LTS. I simply add the file to the right place: file ...
0
votes
0answers
221 views

How to add SSL with cURL URL using Ubuntu Terminal

While running a Twitter API from cURL in Ubuntu Terminal it asked me to use SSL. After searching for it, I tried: sudo curl -s https://localhost:8080/tweets/HLaddha sudo curl -k ...
1
vote
2answers
2k 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 ...
1
vote
1answer
77 views

SSL no certificate

I'm trying to make a bash script who will check the SSL status of my web site client and return the error. But for every IP, wget https://$ip:$port gives me the following error: ERROR: The ...
1
vote
2answers
72 views

Proper options for openssl with simple ciphertext

Last weekend there was a cryptographic challenge where the ciphertext was the following hex: FC 89 BF C2 B0 5F 1C 2E 64 B8 78 43 92 78 3A C9 I know for sure that this is encrypted using ...
0
votes
0answers
54 views

Deleting ssl.conf a problem in apache set up?

In a desperate attempt to stop warnings from a free ssl cert I set up a while back and not knowing how to undo it I ended up deleting my ssl.conf file in the etc/ssl folder but now I am wondering if ...
3
votes
1answer
115 views

Can ssl folder be removed without causing conflict

In /etc/httpd the ssl folder, if that is removed does that mean any site on the server if directed to https:// will not throw warning? I got a certificate a while back but soon realized if not a paid ...
3
votes
1answer
167 views

Linux equivalent of “Trusted Root Certification Authorities” on Windows?

Where I live we have a corporate firewall which is configured to need a certificate installed on the computers in the house for it to be able to scan for vulnerabilities in secure connections. Without ...
1
vote
0answers
80 views

Ubuntu 12.04 apache2 site shows index of instead of actual site on redmine

I have an Ubuntu 12.04 server that has a successful redmine install on it. I have been using redmine on it for a while, but when I tried to set up the SSL cert using this method, ...
2
votes
0answers
136 views

Problems uploading a file via WebDAV?

I've configured on my Linux server (SLES11) with IHS Webserver with WebDAV enabled. A file upload via curl is successful using a URL like this: $ curl --insecure --upload-file testfile.txt \ ...
7
votes
2answers
7k 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
vote
1answer
528 views

Linux openssl CN/Hostname verification against SSL certificate

How does an Enterprise Linux system with openssl 1.0.1+ verify that the CN=hostname value in the cert matches the server it resides on? Does it use a plain old reverse DNS lookup on the IP address of ...
2
votes
2answers
4k views

How do I install a system-wide SSL certificate on openSUSE?

I have a PEM certificate that I just downloaded from a webserver. I want to install it system-wide so I can curl the server without it complaining about a missing certificate. I tried putting the ...
1
vote
1answer
281 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 ...
5
votes
3answers
8k views

Trust a self signed PEM certificate

I have set up a proxy server with SSL using a PEM certificate. Now, there is a couple of machines of mine that I would like to trust this certificate automatically (without the web browser ...
0
votes
1answer
250 views

Install SSL Certificate in Iceweasel

I'm using Kali on Windows. I downloaded the Burp Suite and I'm trying to install its SSL certificate onto the Iceweasel browser. Burp Suite, the leading toolkit for web application security ...
2
votes
1answer
6k views

make fatal error: openssl/sha.h: No such file or directory

I'm trying to compile a program that, according to the documentation, requires the "OpenSSL library". I have OpenSSL installed, and it's still giving me the error openssl/sha.h: No such file or ...
1
vote
2answers
166 views

How to validate X.509 certificate?

I have a following expired X.509 certificate: $ openssl x509 -in openvpn.net -text -noout Certificate: Data: Version: 3 (0x2) Serial Number: 03:fa:55:a7:80:b5:b5 ...
0
votes
1answer
43 views

Extend validity time of APACHE certificate

I have in /etc/httpd/ssl subdir two files: apache.crt and apache.key. How can I extend time of validity of APACHE http server, without creating new certificate and without necessity of interaction ...
3
votes
1answer
541 views

squid - ssl bump

I have squid configured to bump SSL connections; however, when I configure my browser to use squid as a proxy, it doesn't actually do any SSL bumping. When I check the certificate, I can see it is ...
0
votes
1answer
176 views

Use curl to download from a Url

I am trying to download a file from a url using curl: $ curl -3 -v "https://atl1mmsget.msg.eng.t-mobile.com/mms/wapenc?location=XXXXXXXXXXX_14zbwk&rid=027" Where the X is a digit in the phone ...
4
votes
1answer
2k views

How can I start Apache on Arch Linux w/systemd using passphrase protected SSL keys?

I'm relatively new to using Arch Linux and think I must be missing the obvious way to do this correctly, but –short of starting the daemon on my own– I can't figure out how to get passphrase protected ...
2
votes
1answer
917 views

stunnel - how to setup stunnel to handle ssl and attach http with it?

I am running Google App Engine which is a http web server with some redirecting and other real-time stuff. But it does not have SSL to include so its unable to make HTTPS. Therefore, i was trying ...
5
votes
2answers
427 views

How to get server's ssl certificate in a human readable form?

For example, I want to find out when the certificate for encrypted.google.com expires (i.e. Not After date), and what other domains may use it for authentication (Subject Alternative Names).
2
votes
2answers
345 views

ssldump: PCAP: syntax error

I'm using: # uname -ro FreeBSD 9.0-RELEASE-p3 And the latest ssldump: # pkg_info | grep ssldump ssldump-0.9b3_4 SSLv3/TLS network protocol analyzer When I try starting it with decryption - I ...
1
vote
1answer
4k views

Apache - Generate private key from an existing .crt file

I have some apache instances running smoothly with a home-made generated certificate. Now I have to use a provided certificate, but what I had sent is only a .crt file. In tried to copy it into the ...