Server Name Indication(SNI) is an extension of Transport Layer Security which allows multiple secure web sites, with separate certificates, to be hosted at the same IP address

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How to prevent other Apache 2.2 multiple VirtualHosts domains from accessing https (SSL_ERROR_BAD_CERT_DOMAIN) using SNI?

I am running Apache 2.2 on Ubuntu 14.04.4 LTS on a Linode server. I have multiple domains hosted on this machine (with only 1 IP address). I have a domain tbw.com hosted here for which I have an SSL ...
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0answers
14 views

Is this a new type of exploit on SNI on apache2 web server with php? [duplicate]

This are some lines I am worried about which I found inside apache2/error.log [Wed Jul 06 23:37:33.013582 2016] [ssl:error] [pid 2754:tid 139761960302336] AH02032: Hostname www.redacted.net provided ...
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2answers
3k views

Hostname and SSL (apache) issue on Debian

I have been trying to setup SSL virtual host <VirtualHost *:443> ServerAdmin webmaster@mts.com ServerName moclm.tap.pt SSLEngine on SSLCertificateFile /etc/ssl/moclm.cer ...
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0answers
68 views

Squid reverse proxy with multiple SSL-certificates via SNI

Does squid Proxy Server offer the possibility to supply multiple SSL certificates to it? I have a server with various virtual machines running Apache web servers for different customers. As an ...
-1
votes
1answer
59 views

Upgrade Windows Server 2008R2 to support SNI [duplicate]

I have a "Windows Server 2008 R2" with the "IIS7.5" and stumble now, when it comes to the topic of SSL: IIS7 does not support SNI. How can SNI be retrofitted or alternatively how can I install "IIS8"...
2
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0answers
43 views

How can I let my clients use their own SSL on my SaaS

We run a service that lets our clients run their own CMS. Our clients want to use their own SSL Certificate, wether it's self signed, or signed by another company. Our application runs PHP. I was ...
1
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2answers
46 views

Scalable way to install SSL certificates without downtime

We have a SaaS application that allows customers to use their own domain – pretty typical. At its core, the architecture has a simple catch-all virtual host (apache) and the software does the work of ...
16
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3answers
14k 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 ...
2
votes
1answer
139 views

Does SNI really require TLSv1 (insecure)?

From the Apache 2.4 docs: The first (default) vhost for SSL name-based virtual hosts must include TLSv1 as a permitted protocol, otherwise Apache will not accept the SNI information from the ...
0
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0answers
53 views

Can NGINX inspect the TLS request to look for SNI like HAProxy (etc) does?

It seems that, when configuring HAProxy for hostname routing on HTTPS connections, it is crucial to include a tcp-request inspect-delay directive to "give HAProxy a chance to look into the connection"....
2
votes
1answer
143 views

Does NGINX support SNI or does it not?

EDIT New question: Can NGINX inspect the TLS request to look for SNI like HAProxy (etc) does? According to what I've read around (and I've been told), NGINX should not support SNI and I should go for ...
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0answers
66 views

Use postfix through a proxy. How should it be configured?

Postfix by default uses ports 25, 465 and 587. In my configuration, I enabled TLS encryption using the option smtpd_use_tls=yes in postfix's main.cf. This makes all smtp communications encrypted as ...
0
votes
1answer
46 views

Nginx default SSL Host: Disable completely or…?

I have many SSL Hosts on my server serving via Nginx SNI. However, when I enter the IP address of that server, I will see the first configured virtual host with a certificate warning. Is it possible ...
0
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0answers
39 views

Azure Web App Service - Installed SSLcert from SSLs.com OK, but nothing works

I successfully deployed my .net webapplication to Azure App Services (WebApp), access to http ://mywebappAAA.azurewebsites.net and https ://mywebappAAA.azurewebsites.net are working properly. I ...
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0answers
25 views

IIS 8 - Default SSL Site Breaks SNI

We have the following scenario in testing SNI on Windows Server 2012 R2 with IIS 8. Domain names and IP addresses listed below are fake and for example only. WEB SITE NAME IP ADDRESS Host ...
1
vote
1answer
692 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 ...
0
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1answer
30 views

SNI: Can I find out which hosts share the same IP? [closed]

The setup is the following: I know that a host uses SNI (e.g. universal.at on IP 91.236.122.125, the test says so). I know that I can find out one other host that is also hosted on the same IP ...
0
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1answer
55 views

Apache configuration using SNI and mix of SSL certs

Up to this point I've been using SNI in my ssl.conf file with Apache 2.2.31 I'm serving up different sites all in the same document root. For example: NameVirtualHost *:443 <VirtualHost *:443> ...
93
votes
5answers
58k views

Multiple SSL domains on the same IP address and same port?

This is a Canonical Question about Hosting multiple SSL websites on the same IP. I was under the impression that each SSL Certificate required it's own unique IP Address/Port combination. But the ...
1
vote
0answers
15 views

stunnel does not handle SNI correctly

I am trying to get stunnel-4.53-1.1 in Debian Wheezy running. The important parts of my configuration (/etc/stunnel/stunnel.conf) look like that: [https] cert = /etc/ssl/certs/mydomain.pem key = /etc/...
4
votes
3answers
7k views

Jenkins reports reverse proxy setup incorrect with Apache using virtual hosts with SNI

I'm setting up a Jenkins server, to run under Tomcat behind Apache. I'm using virtual hosts with SSL using SNI so I can access it at https://jenkins.example.com, and serve something else on, say, http:...
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1answer
70 views

TLS SNI alternative in apache

Is it possible to serve different public certificates based on the port the client is connecting? I am aware that using SNI (in conjunction with NameVirtualHost) server will respond with appropriate ...
0
votes
1answer
415 views

Transparent HTTP/HTTPS domain filtering proxy [closed]

I want to set up a transparent HTTP/HTTPS proxy to filter outbound requests based on destination hostname (domain). The proxy itself should be non-intrusive and just forward traffic, not decrypt/...
10
votes
2answers
4k 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 ...
0
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3answers
84 views

How to disable unconfigured HTTPS domains in apache2.4?

I want the server to respond to https://abc.def.com, but not to https://def.com, while still serving http://def.com when both domains point to the same IP address. I currently have a configuration ...
1
vote
1answer
180 views

Separate SSL certificate per webapp under Java app server on a single IP

We have a production Apache Tomcat server over which some websites are served. The sites have started to request valid SSL certificates. We have some limitations on the number of valid IPs on our ...
0
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0answers
80 views

Multiple ssl certificates in IIS without SNI

We are hosting a service on https and have 2 certificates CN=server.internalDns.domain.com CN=server.externalDns.domain.com We would like to generate multiple bindings on the default web site ...
2
votes
1answer
130 views

Social networks and Cloudflare free SSL

Let me expose my setup and problems. Maybe some of you will have ideas for me to test. Setup On Digital Ocean : I have one web server running a web site with NGINX in the front (Ruby on Rails ...
0
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0answers
28 views

HTTPS requests to an SNI hosted site not loading non-ssl resources

I've got a site we just moved to SSL using SNI and have some odd behavior going on. If you make a browser request VIA HTTPS - the browser will not load all the resources, external fonts, css and js ...
0
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0answers
138 views

SSL with Virtual Hosts Using SNI (multiple name based configs) - Need to get working with client certificate

I have the following configuration along with other name based virtual hosts. All others work fine but this one fails when enabling certificate authentication with the following error: Non-default ...
1
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1answer
347 views

Apache2/Ubuntu 14.04 error.log Hostname provided via SNI and hostname provided via HTTP are different

In my apache2 error.log I see every few minutes an error message “Hostname … provided via SNI and hostname www.google.com.hk provided via HTTP are different”. In the access.log each error can be often ...
3
votes
2answers
1k views

Disabling SNI for specific virtualhost on Apache

We have a web server with a couple of internet IPs. I have successfully set up SNI name based virtualhosts, it's working great. What I'd like to do though is have our main site NOT use SNI and use ...
0
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0answers
255 views

How to enable SNI with Apache in Redhat 5.11

I am on redhat 5.11. I want to enable SNI with apache, but I only have Apache/2.2.3 + OpenSSL 0.9.8e-fips-rhel5. I am in a very similar situation like this https://access.redhat.com/discussions/...
3
votes
1answer
254 views

Nginx: SNI doesn't work for server_name with multiple arguments

With this Nginx config: server { listen 443 ssl; server_name www.x.nl x.nl; ssl_certificate /etc/nginx/ssl/x.nl.crtkeyca; ssl_certificate_key /etc/nginx/ssl/x.nl.crtkeyca; [...]...
2
votes
1answer
99 views

Pick SSL cert based on domain name without separate VHosts

I'm working with a WordPress multi-site network that has various top-level domain names. We're currently serving them all up with one virtual host: <VirtualHost *:80> ServerName example....
6
votes
1answer
3k 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; ...
12
votes
3answers
19k 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 ...
7
votes
1answer
564 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 ...
1
vote
1answer
328 views

How to use SSL Name Based Vhosts without SNI

I need to host a handful of web applications over SSL using name based virtual hosting. Apache documentation indicates this is possible (https://wiki.apache.org/httpd/NameBasedSSLVHosts) if all sites ...
1
vote
1answer
1k views

SSL with Virtual Hosts Using SNI

I am using RHEL 6, httpd-2.4.10, openssl-1.0.2a and I have setup SNI as explained in http://wiki.apache.org/httpd/NameBasedSSLVHostsWithSNI Everytime I restart apache I get following message: ...
1
vote
1answer
322 views

SNI (SSL) support on Facebook built-in browser on Android [closed]

This issue in the Android bug tracker seems to suggest that SNI has been part of the Android OS now for some time so I'm surprised to find that visiting our CloudFlare Flexible-SSL enabled site throws ...
3
votes
1answer
2k 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 ...
2
votes
2answers
302 views

Command line to set up SNI on IIS for Windows 2012

I'm trying to complete the automated build script of my web server, which runs Windows 2012 and has two SSL websites, each with its own digital certificate. I am using SNI, which works fine when I ...
0
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3answers
75 views

Server setup for SSL for sending and receiving emails?

I managed to setup one physical server using postfix, dovecot with mysql server. I do plan to use virtual domains and users. Current setup to send and receive emails. SENDING smtp.example.com ...
3
votes
1answer
571 views

Cannot disable SNI on Windows Server 2012

I have two different 'families' of related sites, each with their own UCC certificate on the same server. I'm hosting them on the same IIS server, using one IP address for each family. Both UCC ...
0
votes
1answer
80 views

Dedicated server issues with SSL and IPs, content showing on wrong site [closed]

We have a number of sites on this dedicated server. Pages from one site are showing up on another site. Example: clientsite1.com (right site, no SSL installed) clientsite2.com (forwards to SSL, ...
2
votes
1answer
1k views

How to configure SNI so as to have benifits of SNI [closed]

How can i configure SNI to get the benifts ...........I am using openssl 1.0.0 beta5 and apache 2.2.14. Can anyone tell me the complete procedure . I am configuring virtual host in ssl.conf files and ...
2
votes
2answers
441 views

SSL SNI security concerns

Just wondering if SNI is useful in segregating public content from private content. I managed to configure our server to serve /foo for every client but serve /bar only for clients from the intranet, ...
0
votes
0answers
271 views

How to configure HAProxy to use SNI for SSL enabled backends?

I have several backend web servers that have multiple vhosts and I want to use HAProxy in front of them. It doesn't appear that HAProxy is sending the hostname in the TLS connection to the backend ...
0
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0answers
124 views

Server returning 404 for only Baiduspider

I recently updated my website to enforce HTTPS for all requests. Everything appears to be working well after this change but Baidu's web crawler (Baiduspider) is receiving a 404 for all requests. ...