Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [stunnel]

19 questions
3
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2 answers

Stunnel: How to ignore the cert expiry date

I would like to setup stunnel but the certificate from my other tunnel is expired. How would I tell stunnel to ignore verification of expiry date of the certificate coming from stunnel client mode to the stunnel server mode?
Mark Shine
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1 answer

Unknown TCP Service when installing stunnel

I am trying to install stunnel on a CentOS 7 server, but I am getting an Unknown TCP Service error. How can I resolve this error to complete the stunnel installation? I installed and tested stunnel as follows: # yum install stunnel # yum install…
CodeMed
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2
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1 answer

Any way to keep Stunnel from blowing up my logfiles?

I have stunnel v5.44 (Ubuntu 18.04 v3:5.44-1ubuntu3) configured on a client to connect to a server in a screened subnet. The remote host has syslog configured to listen for logfiles over the stunnel connection. The client, of course, is configured…
Server Fault
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2
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5 answers

problems with stunnel systemd unit file

I'd like to create a unit file for stunneland I can't figure out why it's failing. My stunnel.conf is this: #Provide the full path to your certificate-key pair file cert = /etc/pki/tls/certs/stunnel.pem #lock the process into a chroot…
yesOrMaybeWhatever
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2 answers

Testing stunnel - tcpdump?

I have the following stunnel config on the server: chroot = /var/run/stunnel setuid = nobody setgid = nobody pid = /stunnel.pid cert = /etc/stunnel/stunnel.pem key = /etc/stunnel/stunnel.pem client = no [https] accept = 443 connect = 10051 The…
Charles Bunn
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0 answers

Some services on debian 9.0, can not resolve domain names

Recently, after a dist-upgrade to Debian 9.0, I happened to notice that danted (a socks v5 proxy server) and stunnel4 (an SSL/TLS tunneling service) services can not resolve domain names. In danted logs: request was not performed due to error:…
sasanj
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2
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2 answers

Stunnel 5.4 on Centos

Im trying to upgrade my stunnel to 5.4 on my Centos 6.6 server, to give me TLS1.2 support (4.9 doesn't support it). However I cannot compile the source code as it gives me errors (and I cannot find any meaningful solution on the Internet) I can't…
user214445
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1 answer

stunnel No certificate returned unknown CA

I have 2x stunnels linux based, 1 server, 1 client. What I am trying to do is to use a stunnel client and with verify 3 it authenticates the user based on the certificate. Here are the config files of each: Client: cert =…
Mark Shine
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2
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2 answers

Can't get out of foreground mode in STunnel

I was trying to debug an STunnel installation on my Raspberry Pi (using Raspbian) and so I set the foreground mode to yes (which is something suggested in the official documentation). Unfortunately, now every time the Raspberry Pi boots up, it will…
Peter Mooney
1
vote
1 answer

Stunnel and hpux: why this error?

I have compiled a stunnel build on hpux with those options ./configure \ --prefix=/opt/stunnel \ --sbindir=/opt/stunnel/sbin \ --mandir=/opt/stunnel/man \ --docdir=/opt/stunnel/doc \ --localstatedir=/var/opt/stunnel \ …
elbarna
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3 answers

How stop-start-restart-status stunnel as a service on centos 7.6

I've installed stunnel 4.5 on centos 7.6. sudo yum -y install stunnel Now i want to stop-start-restart-status stunnel as a service on centos 7.6. The command below does not work : systemctl start stunnel How can i do that? Take a look at…
SilverLight
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1 answer

TLS tunnel for Outlook 365

We have here an old helpdesk software that only speaks imaps using the now obsolete SSLv3. Obviously, such protocol is no longer accepted by Outlook 365. I proposed to install a TLS tunnel/applicational proxy using Debian Stretch as a broker to be…
Rui F Ribeiro
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1 answer

enabling smtp on port 465 and imap on port 993 for webapps running on centos 7

A CentOS 7 development server is used for prototyping webapps that send and receive email using JavaMail to connect with a remote mail server elsewhere on the internet. The remote mail server uses port 465 for smtp and port 993 for imap. Also, the…
CodeMed
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1 answer

pid file error when starting stunnel

I'm trying to start stunnel at my mac os as client. But I'm not able to get it running as I have noticed this reported problem at the stunnel's log file: 2015.10.10 16:10:24 LOG5[ui]: stunnel 5.23 on x86_64-apple-darwin14.5.0 platform 2015.10.10…
Saulo Ricci
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1 answer

How to capture data transferred on a PTY?

I am running NetBSD 6.1.4, and I have an stunnel instance with the following configuration: [https service] accept = 443 CAfile = /u01/usbtether/CA/certs/rootCA.crt cert = /usr/pkg/etc/stunnel/stunnel.pem pty = yes exec = /usr/sbin/pppd execargs =…
Jonny
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