Issue when trying to send the file from Mendelson to Boomi

Hi Team,

We are facing issue while trying to send the file from Rustans Prod environment(Mendelson software on Linux OS) to Partners Boomi Prod environment.
Please find below the issue we are facing while trying to send the file from our Prod box.

MessageHTTPUploader.performUpload:[SocketException]: Connection reset

The Mendelson version we are using for our Prod box is build 49 JVM 1.8. Also we requested our partner to provide logs from their side. Please find below the partners load balancer logs.

3/5/19 1:42:17.000 PM 2019/03/05 08:12:17 [info] 29484#29484: *20725966
SSL_do_handshake() failed (SSL: error:140760FC:SSL
routines:SSL23_GET_CLIENT_HELLO:unknown protocol) while SSL handshaking,
client: 124.217.254.64, server: 0.0.0.0:444
host = atom02.unileverediprod.awseuw2.boomi.com source
= /var/log/nginx/error.log sourcetype = nginx

However the connection from Rustans QA with Partner Boomi QA is working all fine. The Mendelson version we are using for our QA box is build 53 JVM 1.8
We also requested the successful logs from Partner just to compare . Please find below the logs from partner QA load balancer logs.

35.236.141.100 - - [27/Feb/2019:08:25:38 +0000]
unilever-edi-test.boomi.cloud
"POST /as2/unileveru2k2b2b-YW929V.O1HR61 HTTP/1.1"
TLSv1.2/ECDHE-RSA-AES256-GCM-SHA384 200 4486 "-" "mendelson opensource AS2
1.1 build 53 - www.mendelson-e-c.com" "-" bytes_out="5068" bytes_in="4959"
rt="0.653" ua="127.0.0.1:9093" us="200" uct="0.000" urt="0.389"
35.236.141.100 - - [27/Feb/2019:08:25:38 +0000] ssl_client_cert="-----BEGIN
CERTIFICATE-----\x0A\x09MIID+TCCAuGgAwIBAgIEXDMPgjANBgkqhkiG9w0BAQUFADCBozEpMCcGCSqGSIb3\x0A\x09DQEJARYaY2hlZW11bi53b25nQHJndGVjaC5jb20ubXkxCzAJBgNVBAYTAlBIMQ8w\x0A\x09DQYDVQQIDAZNYW5pbGExDzANBgNVBAcMBk1ha2F0aTEgMB4GA1UECgwXUnVzdGFu\x0A\x09IFN1cGVyY2VudGVycyBJbmMxCzAJBgNVBAsMAklUMRgwFgYDVQQDDA9iMmIucnNj\x0A\x09aS5jb20ucGgwIBcNMTkwMTA3MDgzNjE4WhgPMjI5MjEwMjEwODM2MThaMIGjMSkw\x0A\x09JwYJKoZIhvcNAQkBFhpjaGVlbXVuLndvbmdAcmd0ZWNoLmNvbS5teTELMAkGA1UE\x0A\x09BhMCUEgxDzANBgNVBAgMBk1hbmlsYTEPMA0GA1UEBwwGTWFrYXRpMSAwHgYDVQQK\x0A\x09DBdSdXN0YW4gU3VwZXJjZW50ZXJzIEluYzELMAkGA1UECwwCSVQxGDAWBgNVBAMM\x0A\x09D2IyYi5yc2NpLmNvbS5waDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB\x0A\x09AK59JfQLUlAhbNf4P5ebUk3xvFA2UTo6uEXTLamEV+PeLEEqrIt3qcQ4JY4H9k+7\x0A\x09XOCOJMVSQpO7ojjZZXhsNyGLISHp93B5B1aXSMV9GuITRkA16II4bhMksp63hn56\x0A\x09bLLtxJncsSFtvrSY1NjCYyO1RgCxm3s7Ovqmv/QX4MBE5L5ERjQCODAcjEomG7Kg\x0A\x092BKv8AQaKIGuhQz00vE7T+c4edNICf61rmRKXgUIsGzv6CxBjrieyUuU1gLk4J2/\x0A\x09Hc4+p35L0LFk7YDLnMMPEVJI6kzIEKbCHMYU
/yK6/JApqhoAxnOfFUFyQDEtXX3l\x0A\x09hAC2P7ZpSfY/HUQ5oTGTGKUCAwEAAaMxMC8wDgYDVR0PAQH/BAQDAgWgMB0GA1Ud\x0A\x09JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjANBgkqhkiG9w0BAQUFAAOCAQEAQ2Ia\x0A\x098jkf2oVlUMksLLvwJnouwg/0l4pCosAVUusp+Ok5sctOjQDjZd9FhCseQBZokseV\x0A\x09P1uR6NNTe4/I6f/jNBICY/HJFU5THdT9FjSplWvec+NFMPSCluPsPs8OSTPm2HF6\x0A\x09omG1b2CMsR2UbVbaRsVGUA1QEXnC27bv1a/Fkj6CHPWI9T14nNQkUGEdvWBrt3j0\x0A\x09VeD8fmpskn4KaK/y6kKscOgdvZNWD6L63zV7U7nX04JI5Km4vMpm+oAYSRqFjmS/\x0A\x09I+xEPaK95V50tEzu1ga2/d0cx/N0cvmbCKOA13boEuO9QXRzUhh1vk/MCSre5nKp\x0A\x09VLIKbY1TrIxpgJNj5g==\x0A\x09-----END
CERTIFICATE-----"

Foren
AS2