Paypal IPN fix, Certificate issue Versign G5 upgrade

system info:

CentOS release 6.6

running httpd & php for webserver

We have a working paypal IPN processing script, however when we went to move it and test in the paypal IPN simulator we got the error:

"IPN was not sent, and the handshake was not verified. Please review your information."

Trying to debug this led us to:

[url removed, login to view]

Following the advice in the stockoverflow post when we run:

openssl s_client -connect [url removed, login to view] -showcerts -CApath /etc/pki/tls/certs/

We get:

Verify return code: 20 (unable to get local issuer certificate)

We have installed the g5 certificate:

[root@li375-212 testing]# awk -v cmd='openssl x509 -noout -subject' '/BEGIN/{close(cmd)};{print | cmd}' < /etc/pki/tls/certs/[url removed, login to view] | grep "G5"

subject= /C=US/O=VeriSign, Inc./OU=VeriSign Trust Network/OU=(c) 2006 VeriSign, Inc. - For authorized use only/CN=VeriSign Class 3 Public Primary Certification Authority - G5

At this point I'm stumped and want to pay someone to help me fix...

so to complete the project
1.) help me determine if the g5 certificate is installed correctly
2.) get the following command:
openssl s_client -connect -showcerts -CApath /etc/pki/tls/certs/
to return:
Verify return code: 0 (ok)
3.) run a IPN simulation to see sandbox send data to existing IPN code (which has been working fine)

Skills: PayPal API, PHP, Software Architecture

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About the Employer:
( 1 review ) Lake Saint Louis, United States

Project ID: #8878043

2 freelancers are bidding on average $78 for this job


Hello sir I can update your paypal ipn to work with g5 certificate . Message me to share details thanks...

$100 USD in 1 day
(44 Reviews)

Hey there. For it to work, you have to add the certificate into the web server. As long as you don't do that , there will always be problems with connecting over ssl , as Apache is not presenting your certificate to t More

$55 USD in 1 day
(2 Reviews)