Server Name Indication is an extension of Transport Layer Security which allows multiple secure web sites to be hosted at the same IP address.

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How do you get an SNI certificate for internal host-names? [migrated]

I have a Synology NAS at home, which has a web-based user-interface which I expose to the public Internet. Inside my LAN my NAS has the hostname nas.domain.local. and on the public Internet I have the ...
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39 views

curl 7.21 does not correctly call a host with a host header on https

We found out that calling a host like following using curl 7.21 or 7.24 does produce an error in the apache config (we have multiple SSL Vhosts!). Whereas the same command runs smooth with curl 7.34 ...
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1answer
96 views

Can TLSv1 / SNI be blocked by the network? (routers, firewalls, etc)

Our web site serves static content through a content delivery network (AWS CloudFront) which is configured to respond to a number of CNAMEs and use our SSL wildcard certificate for these hostnames. ...
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51 views

Install an SSL certificate for a subdomain on a server that already has an EV SSL certificate (CentOS 5.11)

I am maintaining a site on a server that is currently running: CentOS release 5.11 (Final) Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4 PHP/5.3.28 The server is ...
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1answer
136 views

apache always serves first named vhost regardless of SNI setting

Apache is always serving the first named vhost regardless of SNI setting. I'm unsure what is causing this. I no longer get the message Init: Name-based SSL virtual hosts only work for clients with ...
3
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1answer
658 views

Can a Reverse Proxy use SNI with SSL pass through?

I need to serve several applications over https using one external ip address. The ssl certificates should not be managed on the reverse proxy. They are installed on the application servers. Can a ...
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0answers
293 views

Apache mod_proxy with HTTPS without key material (using SNI)

I would like to have an Apache 2.4 proxy which redirects port 80 and 443 requests to different machines in the local network, depending on the host name. I used mod_proxy and it works fine with port ...
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0answers
32 views

Configuring uwsgi and SNI with main domain and one subdomain

SNI is quite underdocumented feature of uwsgi Can anyone provider pointers how uwsgi config https directive sni directives should be set with domains example.com, subdomain.example.com when both ...
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17 views

Sftp virtualhosting based on the SNI server name?

I am thinking on the possibility of the virtualhosting of sftp based on the server name, which was given by the client with SNI. Is it possible? Does any similar already exist there?
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3answers
127 views

Strict SNI matching for Apache

I have multiple SSL vhosts and non-SSL vhosts served from a single server. If one of the non-ssl vhosts is accessed using "https", the first SSL directive is used. Is there some setting to make it so ...
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0answers
434 views

SNI error over SSL on some Android devices

I am getting an SNI error: Hostname X provided via SNI, but no hostname provided in HTTP request On some Android phones when making SSL requests to my domain. This is despite ensuring that the Host ...
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2answers
170 views

Apache SNI, 2 domains, 2 certs, resolves to same document root

I am currently following the following guide: https://www.digitalocean.com/community/articles/how-to-set-up-multiple-ssl-certificates-on-one-ip-with-apache-on-ubuntu-12-04 Setup so far has been ...
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1answer
97 views

Understanding XP users accessing a UCC certificate on IIS8

I have a single IIS website which hosts 3 different websites all using the same UCC SSL certificate. (The code of my site examines the host header itself to decide which variation of the site to ...
2
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1answer
101 views

What does this notice mean “SNI: extension not received from the client”, in stunnel log

I am working on multiple domain certificates using stunnel. I have two domains test.int and test1.int and given multiple certificates to each domain and one default certificate. I used sni option of ...
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1answer
92 views

How do I send different SSLCertificateFile based on SSL_TLS_SNI environment variable? [closed]

Idea is to run a wildcard cert off an internal CA for *.domain.com, while public-facing domain.com site is validated by a world recognized CA. Application serving requests is the same though, so I'd ...
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2answers
1k views

using nginx with SNI

By now I've not used SNI with nginx yet. But as IP address pools are quite filled and commercial XP support is about to cease (finally) I'm thinking about converting a few sites to SNI. I'm aware of ...
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3answers
401 views

Upgrade HTTP connection to SSL/TLS

I currently have a server which automatically redirects all HTTP requests to the equivalent HTTPS site. The problem is that is seems like some browsers do not accept the SSL certificate (StartSSL.com) ...
2
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1answer
280 views

Using SNI on Windows Server 2012 R2 not working

I am trying to get both my sites running with their seperate certificates on a Windows Server 2012 R2. Should this not be possible? On the last added site www.c1get.net I get the certificate from ...
6
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3answers
440 views

SNI and wildcard SSL certificates on the same server with IIS

I'd like to host a website that should listen to subdomains (e.g. sub.domain.com) together with multiple websites that live just under a second-level domain (e.g. domain2.com, domain3.com) with IIS ...
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2answers
40 views

Correct configuration for SSL over 3 domains on same IP in nginx

I have been working on this for several hours now, to no fruition. Right now I have three domains, for example domain1.com, domain2.org, and domain3.net. These domains are all using the same IP ...
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2answers
342 views

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 ...
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1answer
511 views

nginx and SNI: is it possible to automatically resolve SSL certificate by domain name

I need to setup a server that will server same content over SSL using different domain names. The problem is that I need an ability to add new domain names as easily as possible. Assuming that all ...
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1answer
112 views

Nginx Vhosts with SSL

I have 3 domains running on an nginx server with ssl domain.pw domain.info domain.mobi i have sni enabled, and am using a vhost for each site. the host records for the site are all like this A ...
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1answer
545 views

stunnel client uses improper SNI when talking to Apache

I have stunnel listening on port 80 and acting as a client connecting to Apache listening on port 443. Configuration is below. What I'm finding is that if I attempt to connect to localhost:80 the ...
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1answer
364 views

How to stop HTTPS requests for non-ssl-enabled virtual hosts from going to the first ssl-enabled virtualhost (Apache-SNI)

I hope that title is clear. How do I prevent HTTPS requests for non-ssl-enabled virtual hosts from going to the first ssl-enabled virtualhost (setup is Apache-SNI). For example, using my abbreviated ...
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1answer
277 views

What happens when a browser does not support SNI

A seemingly simple question, but valid nonetheless. What exactly happens when a browser which does not support SNI attempts to visit a site configured to force SSL via SNI. Thanks
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0answers
88 views

Apache2 conditional section based on port

I don't know much about if statements in apache configuration, and I'm wondering if I can have a section of the configuration applied only if the request is received on a certain port. In short, this ...
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2answers
186 views

Stop default SSL response on Shared IP using SNI

Previously I asked a question here: Single domain SSL presented for all domains on Shared IP about setting up secure and non-secure domains on a single IP. Opinions were mixed, but it appears SNI ...
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3answers
2k views

Apache SNI namevhosts always route to first VirtualHost entry

Update So for some strange reason, the problem seems to have resolved itself. Perhaps it's some sort of strange caching issue or something (though I have apache2ctl stop/start/restart and sudo ...
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1answer
50 views

Is it possible to log the IP address for SNI in apache logs on errors?

Is it possible to log the IP address associated with SNI in the apache logs? I realize that this is SSL when it connects, so if its not now, Im wondering if apache would add it so at least we could ...
4
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1answer
3k views

How can I detect if a server is using SNI for HTTPS?

I'm looking for a simple way to know if a server is using the Server Name Indication SSL extension for its HTTPS certificate on a website. A method that uses either a browser or Unix command line is ...
4
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1answer
1k views

How to define which SSL certificate nginx sends first with SNI?

I use nginx 1.2.7 with OpenSSL 0.9.8o on Debian Squeeze for about 30 domains. On two of them I enabled SSL which works fine on both. The SSL config is use for both domains: listen 443 ssl; ...
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1answer
194 views

From suPHP to mod_php

I have a Centos6 64-bit server, Apache/2.2.15, PHP5.3.3, one IP and four name-based virtual hosts and SSL/SNI to provide https in addition to http. All those hosts are assigned to different linux ...
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1answer
118 views

Understand ssl setup

Goals: If the user support SNI and hit myurl1.server.com (https) or myurl2.server.com (https) it will match the right vhost. (the last 2 vhosts) If the user does not support SNI and hit ...
2
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1answer
3k views

Setting up default SSL site on IIS8

I have setup few websites on IIS8 all using the same wildcard SSL certificate. Some of the sites need to be accessible to older browsers and operating systems, therefore I cannot use the "Require ...
2
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1answer
110 views

Separate SSL certificate selection from virtual host configuration in apache

Currently, my apache configuration includes one SSL certificate (with all domains listed as Alternative Subject Names). I furthermore have one virtual host configuration per domain that serves both ...
7
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1answer
8k views

“Server should be SSL-aware but has no certificate configured [Hint: SSLCertificateFile]” error

After recently upgrading Apache2 to version 2.2.31 I found a strange behaviour in SSL VirtualHost setup. A few of the website I'm hosting were showing the certificate for the default host even if the ...
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1answer
721 views

Plesk 11: install Apache with SNI support

If I try to update from standard Apache to Apache with SNI support with the Plesk installation program (example.com:8447), I get an error, that I have to remove apr-util-ldap-1.4.1-1.el5.x86_64 It's ...
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1answer
622 views

How to fix the TLS Server Name Indication issue under Windows XP on Nginx using a different IP

I have a server that is using two different domains with two different certificates. Everithing work fine except IE8 on Windows XP because the TLS Server Name Indication is not supported there. In ...
6
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1answer
244 views

Does SNI represent a privacy concern for my website visitors?

Firstly, I'm sorry for my bad English. I'm still learning it. Here it goes: When I host a single website per IP address, I can use "pure" SSL (without SNI), and the key exchange occurs before the ...
2
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0answers
172 views

Debugging incorrect certificate with SNI for some clients

I have a number of domains with SSL certificates served by Haproxy (using Haproxy 1.5's support for SSL). For the most part the correct certificates are being served, but a particular user is ...
2
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2answers
4k views

Why does apache httpd tell me that my name-based virtualhosts only works with SNI enabled browers (RFC 4366)

Why does apache give me this error message in my logs? Is it a false positive? [warn] Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366) I ...
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2answers
2k views

Hostname and SSL (apache) issue on Debian

I have been trying to setup SSL virtual host ServerAdmin webmaster@mts.com ServerName moclm.tap.pt DocumentRoot /var/www/tapme/ <Directory /> Options ...
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2answers
2k views

Can't turn off SNI on apache

When I go to: http://web-sniffer.net/ and check the headers of my site (https://www.example.org), I get a status code 200 But when I use the radio button HTTP/1.0 (without Host header), I get a ...
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2answers
382 views

Apache with suexec, fcgid shows content from wrong vHost over ssl

I changed my Apache setup to worker mode, suexec und fcgid as described in this tutorial: https://wiki.hetzner.de/index.php/Apache_PHP5_fcgi_und_SuExec. Allmost everything works fine. I wrote a ...
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6answers
5k views

Redirect to SSL only if browser supports SNI

I have Apache 2.2 with mod_ssl and a bunch of sites in HTTPS on the same IP/port with VirtualHosting, so client must support SNI to connect to those virtual hosts. I would like to configure my server ...
4
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1answer
667 views

For enabling SSL for a single domain on a server with muliple vhosts, will this configuration work?

I just purchased an SSL certificate to secure/enable only ONE domain on a server with multiple vhosts. I plan on configuring as shown below (non SNI). In addition, I still want to access phpMyAdmin, ...
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1answer
164 views

Setup SSL for only a Single website on Linux server with Multiple vhosts

Without configuring apache to support SNI, can I purchase a SSL cert and use on a Centos Linux server that has 2 name-based Vhost? I'm only interested in securing ONE of the two domains. Could this be ...
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1answer
445 views

HTTPS vhost multiplexing with upstream client certificate auth with nginx

Let's say I have two Apache servers (one per vhost) behind an nginx server. The problem is that I'd like Apache to do the authentication of client certificates. Would it be possible for nginx to do ...
2
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2answers
784 views

nginx, multiple domains, ssl support for clients without SNI

I want to support SSL for clients which lack of SNI support (IE/FF/Safari on win XP, Android < 2.2, and others). The solution I picked was to have nginx listen on separate port for each ...