[Info-vax] DECUS Software

[Mark Daniel]

On 25/7/2023 1:22 am, Ian Miller wrote:
> On Monday, July 24, 2023 at 4:43:45 PM UTC+1, Richard wrote:
>> [Please do not mail me a copy of your followup]
>>
>> Mark Daniel <mark.... at wasd.vsm.com.au> spake the secret code
>> <XgduM.33242$%8x.1... at fx10.ams4> thusly:
>>
>>> https://eisner.decus.org/online/library
>>
>> Am I the only one getting ERR_CONNECTION_CLOSED for this host?
>> -- 
>> "The Direct3D Graphics Pipeline" free book <http://tinyurl.com/d3d-pipeline>
>> The Terminals Wiki <http://terminals-wiki.org>
>> The Computer Graphics Museum <http://computergraphicsmuseum.org>
>> Legalize Adulthood! (my blog) <http://legalizeadulthood.wordpress.com>
> 
> Not just you, my work network does not like the certificate that eisner has

$ openssl s_client -showcerts -connect eisner.decus.org:443
CONNECTED(00000003)

depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1
verify error:num=20:unable to get local issuer certificate
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = R3
verify return:1
depth=0 CN = eisner.decus.org
verify return:1
---
Certificate chain
  0 s:CN = eisner.decus.org
    i:C = US, O = Let's Encrypt, CN = R3
    a:PKEY: rsaEncryption, 4096 (bit); sigalg: RSA-SHA256
    v:NotBefore: Jun 25 03:20:22 2023 GMT; NotAfter: Sep 23 03:20:21 2023
-----BEGIN CERTIFICATE-----
8< snip 8<
-----END CERTIFICATE-----
  1 s:C = US, O = Let's Encrypt, CN = R3
    i:C = US, O = Internet Security Research Group, CN = ISRG Root X1
    a:PKEY: rsaEncryption, 2048 (bit); sigalg: RSA-SHA256
    v:NotBefore: Sep  4 00:00:00 2020 GMT; NotAfter: Sep 15 16:00:00 2025
-----BEGIN CERTIFICATE-----
8< snip 8<
-----END CERTIFICATE-----
  2 s:C = US, O = Internet Security Research Group, CN = ISRG Root X1
    i:O = Digital Signature Trust Co., CN = DST Root CA X3
    a:PKEY: rsaEncryption, 4096 (bit); sigalg: RSA-SHA256
    v:NotBefore: Jan 20 19:14:03 2021 GMT; NotAfter: Sep 30 18:14:03 2024
-----BEGIN CERTIFICATE-----
8< snip 8<
-----END CERTIFICATE-----
---
Server certificate
subject=CN = eisner.decus.org
issuer=C = US, O = Let's Encrypt, CN = R3
---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 5123 bytes and written 402 bytes
Verification error: unable to get local issuer certificate
---
New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
Server public key is 4096 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 20 (unable to get local issuer certificate)
---
8< snip 8<

(NotAfter: GMTs snipped)

-- 
Anyone, who using social-media, forms an opinion regarding anything 
other than the relative cuteness of this or that puppy-dog, needs 
seriously to examine their critical thinking.