1. Are you sure you are getting plain text on port 6666 of server with IP some_ip_address ? 2.Are you sure you are inyecting the plain text on port 6667 of the sending Ip? Also your sending stanza [services] should have client=yes and your receiving side should have client=no
Regards, Jose > On Apr 22, 2021, at 3:08 PM, [email protected] wrote: > > I am using stunnel4 to build a secure connection between two ubuntu hosts. > One of the hosts (sender) will send "hello world" to another host (receiver). > > When I am using tcpdump in receiver to capture the packets sending from > sender, I find out that one of the packets contains "hello world" in > plaintext. From my understanding, stunnel will encrypt the content of "hello > world" if everything is correct, so I shouldn't be able to see "hello world" > in plaintext among any incoming packets. Any ideas about what is going wrong > here? > > Here I will put my stunnel.config for your reference: > > cert = /home/ubuntu/client_server/stunnel.pem > key = /home/ubuntu/client_server/stunnel.key > debug = 7 > output = /home/ubuntu/client_server/stunnel.log > socket = l:TCP_NODELAY=1 > socket = r:TCP_NODELAY=1 > options = ALL > [services] > accept = 6667 > connect = some_ip_address:6666 > TIMEOUTclose = 0 > _______________________________________________ > stunnel-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] _______________________________________________ stunnel-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
