Here is an output of openssl s_client -connect :443 -ssl3 CONNECTED(00000004)ģ897:error:14094410:SSL routines:SS元_READ_BYTES:sslv3 alert handshake failure:s3_pkt.c:1086:SSL alert number 40ģ897:error:1409E0E5:SSL routines:SS元_WRITE_BYTES:ssl handshake failure:s3_pkt.c:530: This creates a private key, and self-signed certificate. make cert This will run the following commands: openssl req -new -x509 -days 365 -nodes -config stunnel.cnf -out stunnel.pem -keyout stunnel.pem. Also you will need a certificate chain file, this file needs to be created on the server side. Generating the stunnel certificate and private key (pem) In rder to generate certificate and corresponding private key, simply do a. Move mycert.pem to your Stunnel configuration directory. OpenSSL version: OpenSSL 0.9.8e-fips-rhel5. Take your CAcert in PKCS12 format (with both the public and the private key in it) and convert it to a PEM format certificate with OpenSSL: openssl pkcs12 -clcerts -in cacert.p12 -out mycert.pem. fixing "fingerprint does not match" errorĬAfile = /path/to/ssl/Īnyone has any insight as to what's happening here? Googled for multiple hours now, can't figure it out. Here is my config: pid = /etc/stunnel/stunnel.pid At the same time, wget reports: OpenSSL: error:14094410:SSL routines:SS元_READ_BYTES:sslv3 alert handshake failure Tried using wget, and all is smooth with TLSv1, but error shows up with SSLv3.
#Stunnel office 365 config Pc
Setting smart host Add Allowed IPs in the IIS SMTP Server Now if you have a device that you want to test, you must add its IP address to the relay restrictions first. Mozilla Firebird mail client directly SLL/SMTP on the same PC connection to same Office 365 mail server works ok, but via Stunnel it outputs the error log below. Connecting from Ubuntu using links - no error. If you’re configuring this SMTP server to use with Office 365, in the Smart host (2) field, define your Office 365 MX endpoint. Connecting from CentOS using links - error shows up (tried multiple machines). Not all clients trigger that, for some strange reason. Then I encountered errors in log files: SSL_accept: 1408F10B: error:1408F10B:SSL routines:SS元_GET_RECORD:wrong version number
#Stunnel office 365 config how to
Everything was smooth, and mostly it works as designed. Only server is Linux based and nobody can figure out how to install/configure STunnel on it Inability to get the configuration options working for Office 365. I'm trying to set up Stunnel to server as SSL cache.
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