A public-key certificate states that a specific public key belongs to a specific identity. Use this tag for all questions on certificates and authentication of public keys (not public-key authentication, which is authentication _using_ public-keys). If certificates are not a central issue in your ...

learn more… | top users | synonyms

10
votes
3answers
248 views

Untrusting an intermediate CA in Linux?

From this blog. Intermediate CAs are certificates signed by a root CA that can sign arbitrary certificates for any websites. They are just as powerful as root CAs, but there's no full list of ...
2
votes
1answer
27 views

SSL Certificate Problem: unable to get local issuer certificate

I am having small initramfs with static busybox into it. The sole purpose of this initramfs is to download/upload files to the HTTPS server. I have the proper certificate and credentials to do so. ...
0
votes
0answers
23 views

sudo update-ca-certificates always add new cert

When I run sudo update-ca-certificates on debian 8 it is always add one new cert. it is normal behavior? What's can be wrong? ar@work:/tmp$ sudo update-ca-certificates Updating certificates in ...
1
vote
1answer
26 views

Error signing certificate

I am trying to create and sign a certificate for Email services. Using this. Everything went well until i reached : sudo openssl ca -in server.csr -config /etc/ssl/openssl.cnf After entering the ...
0
votes
0answers
12 views

Puppet Agent certificate issue

When iam trying to connect to master server from client this is what iam getting:- puppet agent -t Error: Could not request certificate: Error 400 on SERVER: The environment must be purely ...
0
votes
0answers
5 views

wpa_supplicant: 802.1X certificate check

So, I'm trying to connect to a 802.1X secured WLAN with EAP-TTLS which uses multiple RADIUS servers. I don't trust the root CA or the intermediate CAs much. I do trust the local CA signing the RADIUS ...
3
votes
1answer
229 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 ...
0
votes
2answers
4k 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: ...
4
votes
1answer
734 views

Configuring Apache to Require a Client Certificate

I want to implement mutual authentication (two - way ) with apache web server. References : 1.Failed to sign CSR with the CA root key 2.Firefox error message when adding client certificate ...
1
vote
1answer
45 views

Confusion regarding generating self signed certificate for application portal developed using liferay

We have a Application Portal developed using Liferay bundled with tomcat. There are two application servers running liferay and we use httpd as a front-end which forwards requests to application ...
0
votes
0answers
19 views

haproxy serving wrong SSL certificate for a subdomain

I have a Server that runs haproxy to redirect incoming traffic to the correct process based on the subdomain. haproxy is configured to use different SSL certificates depending on the subdomain. The ...
1
vote
1answer
2k views

Failed to sign CSR with the CA root key

I'm trying to implement Mutual Certificate Authentication , I have to be the CA and server at the same time , generate certificates and sign them for users. and I'm following this tutorial which is a ...
3
votes
1answer
2k views

Firefox error message when adding client certificate signed by CA

I'm getting this message when I'm trying to add a certificate to Firefox's "your certificate tab". I generated and signed it before by a server which also is a CA. Failed to decode the file. ...
2
votes
1answer
94 views

Unable to use a self-signed certif. on localhost

I created a self-signed certificate for localhost for testing as follows: openssl genrsa -out key.pem 2048 openssl req -new -key key.pem -out certificate.csr openssl x509 -req -in certificate.csr ...
3
votes
1answer
35 views

How can I cryptographically verify a sabayon.iso? Are there any certificates?

I've downloaded and installed sabayon, but all I can find to verify that iso image is an md5sum that can only be downloaded from the same insecure mirrors. md5 checksums are not cryptographically ...
1
vote
1answer
20 views

Can I reduce the privileges level on mono's certificate machine store?

I am running NUnit tests on Ubuntu via mono. They require the certmgr tool to install certificates and keys that the tests utilize. The user cert/key I can install fine, but the tests fall over if the ...
2
votes
1answer
38 views

Does linux verify server certificate against crl by default?

Let assume that I have a Linux based server running apache or tomcat with a web server certificate created by a trusted authority. The certificate has embedded distribution point of the crl. The ...
1
vote
1answer
5k 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
vote
3answers
850 views

HTTPS Redirecting to Subdomain

I have a subdomain at https://mail.example.com with a valid certificate. However, if someone were to accidentally type in https://example.com to the address bar, the certificate for the mail server is ...
1
vote
0answers
16 views

Rebuild pki directory and associated changes

Let me preface this with, "I am not looking for a free lunch." I royally screwed up my cert storage recently and during my attempt to repair I made things worse. I am looking for a thorough ...
0
votes
1answer
31 views

Import certificates on tomcat

I have some difficulty to import our *.domain.com cert. I have the following files "<something>.crt" "<something>.csr" and "<something>.key". So what i need is to import this ...
6
votes
3answers
13k 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 ...
4
votes
4answers
5k 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 = ...
2
votes
1answer
47 views

How can I sign as CA a multi domain certificate

I have set myself up as a Certicate Authority so I can sign certificates I need for development. I have imported my CA certificate in my browsers so certificates I sign are accepted without question ...
0
votes
0answers
7 views

Thunderbird SMIME certificate not imported automatically

I created own CA to sign SMIME certs for email encoding. Next I generated several certificates for particular users. Below script for generating such certs: openssl genrsa -des3 -out humble_coder.key ...
1
vote
1answer
57 views

Encrypting a p12 certificate

I'm trying to following this documentation (see section Create a Code Signing Certificate) in oder to encrypt a p12 file but I always receive the same warning. unknown option 'Cert.p12' Am I ...
3
votes
1answer
33 views

What are the drawbacks of using policy_any in openssl.cnf?

As given in this document, we may use policy_any to ignore most of the fields of subject in certificate request. There must be some drawbacks of ignoring such fields, would it may lead to some ...
0
votes
0answers
156 views

Changing the port letsencrypt tries to connect on

So, one of my servers is behind NAT, and since there is already a publicly accessible apache server going on my LAN, I decided to access it from the outside with different ports, and remap them to the ...
1
vote
0answers
39 views

How do I get a certificate on a server from a certificate authority server using an OpenSSL request?

How do I get a successful request for a certificate from one Linux server to a Linux server that is a certificate authority? I'm using Centos 7 on both servers on the network. I'm using an OpenSSL ...
4
votes
2answers
293 views

certificate errors trying to create a virtualenv on old Ubuntu

On an old Ubuntu 8.04 (cannot upgrade yet) I need to create a Python virtualenv, install some packages and then my software. I do get certificate errors: Could not fetch URL ...
1
vote
1answer
32 views

About openwrt dnscrypt

I am self hosted a dnscrypt server, using dnscrypt-server-docker (https://github.com/jedisct1/dnscrypt-server-docker) And i test it on my mac os x, it's work fine $ sudo dnscrypt-proxy \ ...
1
vote
1answer
410 views

Install root SSL certificate

I created root certificates, and server certificate, signed with root. How can I install my root certificate, to remove warning about untrusted connection? update, dpkg-reconfigure don't work. I'm ...
0
votes
0answers
340 views

certificate error while Adding Hosts in Icinga monitoring tool

I am getting certificate error while Adding Hosts in Icinga ! I am very new to it so not able to figure out the error but I have received proper keys and certificates from client ! sh -x ...
2
votes
1answer
391 views

Do I Need to Restart Nginx if I Renew My Security Certificate(s)?

So I'm setting up an nginx server with SSL enabled with a server definition something like: server { listen :80; listen [::]:80; server_name example.org; root /foo/bar; ssl on; ...
1
vote
1answer
3k views

Apache fails to start after changing cert and key [closed]

The problem appeared after I changed https certificate and key. sudo /etc/init.d/httpd restart shows this: Stopping httpd: [FAILED] Starting httpd: [FAILED] Apache's error_log: [Tue Dec 03 ...
3
votes
1answer
9k views

Installing the JMeter CA certificate for HTTPS recording [closed]

I got stuck in between while installing the JMeter CA certificate for HTTPS recording in the Firefox browser. I have followed the steps and successfully been able to generate the ...
2
votes
1answer
1k views

Adding certificates to trusted CA on Fedora

I'm trying to setup anyconnect from Cisco on a Fedora 19 machine. I have received some certificates from the organization running the VPN, but there are several layers between me and their IT people ...
5
votes
2answers
3k 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
0answers
122 views

Adding nssdb certificate from an install script

I am trying to write an script (postinst for a .deb package) that will install a secure websockets (wss:) application and a certificate that allows access from the Chrome browser. The developer has ...
0
votes
3answers
25 views

Verify SSL for local computers

I have a small business network and for this network, one computer is DHCP-, DNS- and web server. It uses local domains like machinary.ao or resources.ao I'd like to use ssl. Computers and network ...
0
votes
4answers
234 views

How can I find where the Location of SSL key file is?

I inherited a RedHat server and I'm trying to find the SSL key file that was used to generate the self signed cert so I can make a CSR. From what poking around I've done, I can't find it in any of ...
10
votes
3answers
3k views

Open signed PDFs in Linux

We have some PDF files which are secured by a .pfx certificate. On Windows we can use Adobe Reader to read these PDF files (with previously imported certificate). I've googled for a long time but I ...
0
votes
1answer
42 views

SSL Problem, Where should I insert the certificate.crt?

I'm using startSSL. I've got a private key.key, a certificate.crt and a decrypted key.key for private key.key. What should I do with this files and where should I upload them? How can I get https for ...
6
votes
2answers
1k views

script to check if SSL certificate is valid

I have several SSL certificates, and I would like to be notified, when a certificate has expired. My idea is to create a cronjob, which executes a simple command every day. I know that the openssl ...
1
vote
1answer
191 views

Dogtag CA after installation

After Dogtag 10 installation(step by step by https://www.youtube.com/watch?v=C3eElJAz7lU) when I open Admin (https://localhost.localdomain:8443/ca/agent/ca/) I get following error Problem ...
0
votes
0answers
12 views

Certificate type

I am downloading certificate from given URL as: echo -n | openssl s_client -showcerts -connect url > certificate.ext Now, how do I find out, the saved certificate.ext file is actually of which ...
2
votes
0answers
223 views

Unable to delete Root CA (UNIX: operation not permitted)

I am trying to delete a root certificate authority from my Mac OS machine. When I try this from the 'Keychainaccess' program it asks for my password and then shows 'ecKeychainItemDelete: ...
0
votes
0answers
92 views

fetchmail: Missing trust anchor certificate:

I try to setup fetchmail on mac for checkdomain.de and created a certificate .pem file in the cert directory of ssl by copying certificate from running this command: openssl s_client -connect ...
0
votes
1answer
239 views

Offlineimap unknown SSL protocol error

I am using offlineimap to fetch mail from several IMAP servers. This used to work but today offlineimap has been unable to fetch mail, producing the following errors: *** Processing account example ...
2
votes
2answers
2k views

Installed root certificate authority doesn't appear to be working?

OS : archlinux Openssl dir : /etc/ssl I just installed a root certificates authority. The xxx.pem and yyy.0 file exists in the /etc/ssl/certs folder. Then I verify the vimeo.com:443 via bash: $ ...