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Questions tagged [tls]

Transport Layer Security is a cryptographic protocol for encrypting and authenticating network communications, and replaces SSL. It is commonly used to secure Internet protocols such as HTTP.

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Was my server vulnerable to heartbleed if TLS has been disabled?

Was my server vulnerable to heartbleed if TLS has been disabled in the past? In apaches vhost configuration the parameter sslCipherSuite contains only SSLv2 afaik this doesn't contain TLS.
Hannes
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SMTP Connection disconnecting after "STARTTLS"

We're having issues with our mail server. Basically some emails from external networks are not being accepted by the mailserver. After some debugging using telnet and looking through the logfiles, it seems that the issue has to do with encryption…
Khronos
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Apache SSL virtual host using SNI ignores ServerName

I would like to serve SNI-enabled clients that send the wrong host name a 400 Bad Request, but Apache always serves the default virtual host in this situation. I cannot add a default virtual host that sends the 400 Bad Request status, because…
Jelle Raaijmakers
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Exchange: use Port 110 for both POP3 & POP3/SSL?

On our Exchange 2010 POP3 is configured to only allow secure logon (TLS connection for authentification). Now, the default port for "plain" POP3 is 110, and for POP3 with SSL is 995, hence with the given Exchange settings POP3 works only with SSL on…
marsze
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Disable STARTTLS on Qmail for outgoing messages

I've a Plesk 10.5 server with QMAIL as MTA. We are facing issues when sending e-mail to certain domains and I would like to know if you guys know how to disable STARTTLS when sending e-mail through QMAIL. I took a look on xinetd files and I could…
Henrique Souza
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linux ssmtp error Cannot open smtp.gmail.com:587

I can not route may emails vie gmail.com. I use ssmtp facility. My config files in /etc/ssmtp are root:yyyyy@gmail.com:smtp.gmail.com:587 maciek:yyyyy@gmail.com:smtp.gmail.com:587 and…
mackowiakp
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Exim forwards not going out through TLS

I'm trying to get Exim to use STARTTLS to send emails that are just FORWARDS. I have a server accepting email at example-accepting.com for users. So I want user@example-accepting.com to forward all email to user@example.com. If I do this from the…
Blake
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Forcing dovecot to use TLS doesn't work

I look for a way to enforce a lamba user to connect to dovecot server with TLS. I followed the documentation http://wiki2.dovecot.org/SSL/DovecotConfiguration , and I edit the dovecot configuration as follow : ssl = required disabled_plain_text =…
totoaussi
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Import TLS certificate tu use LDAPS on client machine

I installed OpenLDAP server and I configurated TLS on the same machine (CentosOS 5) . Now I would to use LDAPS from an other machine: How can I import the generated certificate? I used this to enable LDAPS
Safari
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how to enable TLSv1.1 and TLSv1.2 on nginx Debian squeeze?

For security I have to setup a nginx server with TLSv1.1 or TLS v1.2. By default, nginx configuresTLSv1. Reading the documentation I see that nginx has to set the following directive: ssl_protocols TLSv1.1…
Gon
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Access Denied for Specific FTP Client

I have a couple FTP servers setup which I am unable to access using a particular client machine. The client is a Windows 2012 server in my company's network over which I do not have admin rights. The client has WinSCP installed as its FTP client,…
nairware
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Postfix & Gmail: Authentication Required error

I configured Postfix using this guide. When I send a test E-Mail I get the following error message: May 23 15:36:26 VM11 postfix/smtp[15321]: connect to smtp.gmail.com[2a00:1450:4001:c02::6d]:587: Network is unreachable May 23 15:36:26 VM11…
Bastian
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What decides what tunnels inside EAP-TTLS?

If EAP-TTLS is a EAP method that establishes a TLS tunnel, what goes in the tunnel? It could be another EAP method, but it could also be PAP. What decides? The server, the supplicant, or do they somehow negotiate? How does this phase of the protocol…
Phil Frost
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Can't send mail through ssl with my virtual domains from an external webmail

I having issues with postfix to send mail through SSL from an external webmail. I have several domain setup on my server configured in postfix with mysql. When I send mail with my main domain domain1.com everything works fine but if send mail from…
Nicolas BADIA
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IPTables Rule for Google Apps SMTP

I am trying to add iptables rule to allow traffic on ports 465 & 587 to google apps smtp servers. But I got not luck. My WHMCS installation works fine with google apps when I turn off iptables but iptables turn on itself again and email stop…
XpresServers
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