Re: [IBMiOSS] Unable to establish SSL connection. received when using wget -- OPENSOURCE

Hi Arco

I think I can try that. Maybe after some thoughts on trying the same thing with curl, as here - I used port 443, as that was what was used when I used wget

-bash-5.2$ curl -v https://downloads.apache.org/kafka/4.0.0/kafka_2.13-4.0.0.tgz
* Host downloads.apache.org:443 was resolved.
* IPv6: 2a01:4f9:3a:2c57::2, 2a01:4f8:10a:39da::2
* IPv4: 88.99.208.237, 135.181.214.104
* Trying 88.99.208.237:443...
* Connected to downloads.apache.org (88.99.208.237) port 443
* ALPN: curl offers http/1.1
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* Recv failure: Connection reset by peer
* OpenSSL SSL_connect: Connection reset by peer in connection to downloads.apache.org:443
* Closing connection
curl: (35) Recv failure: Connection reset by peer

*Regards*

*Vern Hamberg*

IBM Champion 2025 <cid:part1.08nBre9X.nbXfPz02@centurylink.net> CAAC (COMMON Americas Advisory Council) IBM Influencer 2023

On 6/12/2025 9:50 AM, Arco Simonse wrote:

Hi Vern,

From a security perspective this might be a bad advice, but what if you try
to execute wget without ssl certificate verification?

wget --no-check-certificate <your url>

Regards,
-Arco

Op do 12 jun. 2025 15:40 schreef Vern Hamberg via OpenSource <
opensource@xxxxxxxxxxxxxxxxxx>:

Hi Bryan

Thanks for your reply. I do appreciate the links, they confirm that I've
been looking in the right places for Kafka.

The steps I followed were those in the Kafka section at
ibm-oss-docs.readthedocs.io, which is one of the links in the resources
page at github. Those resources, however, don't deal with the error I
get when using wget - this is that error -

-bash-5.2$ wgethttps://
downloads.apache.org/kafka/4.0.0/kafka_2.13-4.00.tgz
--2025-06-11
<http://downloads.apache.org/kafka/4.0.0/kafka_2.13-4.00.tgz--2025-06-11>
15:49:04--https://downloads.apache.org/kafka/4.0.0/kafka_2.13-4.0.0tgz
Resolving downloads.apache.org<http://downloads.apache.org>...
88.99.208.237, 135.181.214.104, 2a01:4f9:3a:2c57::2, ...
Connecting to downloads.apache.org
<http://downloads.apache.org>|88.99.208.237|:443... connected.
Unable to establish SSL connection.

*Regards*

*Vern Hamberg*

IBM Champion 2025<cid:part1.yVx3eaCX.vthW4Qpz@centurylink.net> CAAC
(COMMON Americas Advisory Council) IBM Influencer 2023

On 6/11/2025 9:54 PM, Bryan Dietz wrote:

i recall reading this about kafka.
https://ibmi-oss-docs.readthedocs.io/en/latest/kafka/README.html

for most of it you should look and see what is available in the
repositories
https://ibmi-oss-docs.readthedocs.io/en/latest/yum/IBM_REPOS.html

those are a little long in the tooth, but a great place to start.

more here:
https://github.com/IBM/ibmi-oss-resources

i’m certain that other will chime in as well.
Bryan

On Jun 11, 2025, at 4:17 PM, Vern Hamberg via OpenSource
<opensource@xxxxxxxxxxxxxxxxxx> wrote:

Well, I'm finally dipping my toes into these waters. I'm going to be
working with kafka where I am now. Am using Mobaxterm for an SSH
terminal, using bash.

I am following the directions and am at the point of running this:

wgethttps://dlcdn.apache.org/kafka/3.0.1/kafka_2.13-3.0.1.tgz

That's the instruction at ibmi-oss-docs for kafka. That URL is not
valid, it's an old version, and that's OK. So I went to the
Apache.org<http://Apache.org> site, found a downloads page, so the
command I'm using is actually this -

wgethttps://downloads.apache.org/kafka/4.0.0/kafka_2.13-4.0.0.tgz

So when I execute that, I receive this

-bash-5.2$
wgethttps://downloads.apache.org/kafka/4.0.0/kafka_2.13-4.00.tgz
--2025-06-11
15:49:04--https://downloads.apache.org/kafka/4.0.0/kafka_2.13-4.00tgz
Resolving downloads.apache.org<http://downloads.apache.org>...
88.99.208.237, 135.181.214.104, 2a01:4f9:3a:2c57::2, ...
Connecting to downloads.apache.org
<http://downloads.apache.org>|88.99.208.237|:443... connected.
Unable to establish SSL connection.

I appreciate guidance here on this new venture!

*Regards*

*Vern Hamberg*

IBM Champion 2025 <cid:part1.PGR00MCz.pukKIxYI@centurylink.net
<cid:part1.PGR00MCz.pukKIxYI@centurylink.net>> CAAC (COMMON Americas
Advisory Council) IBM Influencer 2023
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