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  • gnus + gnutls: gnutls.c: [1] (Emacs) fatal error: An unexpected TLS packet was received.

    From NotAorB@atod101101@gmail.com to gnu.emacs.help on Tue May 13 00:55:54 2025
    From Newsgroup: gnu.emacs.help

    Does anyone know how to debug this TLS error further? Do you have
    TLS working with news.eternal-september.org or similar news server?

    I'm trying to use news.eternal-september.org with gnus TLS. So far,
    nttp authentication works, however when using the nttps port and (nntp-open-connection-function nntp-open-tls-stream) I get the following errors. I can invoke "gnutls-cli news.eternal-september.org -p 563" and
    the connection appears established as TLS.

    Error: gnutls.c: [audit] Received record packet of unknown type 50
    gnutls.c: [1] (Emacs) fatal error: An unexpected TLS packet was
    received.

    [...]

    gnutls.c: [1] (Emacs) connecting to host: news.eternal-september.org
    gnutls.c: [1] (Emacs) allocating credentials gnutls.c: [2] (Emacs)
    allocating x509 credentials gnutls.c: [2] (Emacs) using default
    verification flags gnutls.c: [1] (Emacs) setting the trustfile: /etc/ssl/cert.pem gnutls.c: [1] (Emacs) gnutls callbacks gnutls.c: [1]
    (Emacs) gnutls_init gnutls.c: [1] (Emacs) got non-default priority
    string: NORMAL:%DUMBFW gnutls.c: [1] (Emacs) setting the priority string gnutls.c: [2] added 6 protocols, 29 ciphersuites, 19 sig algos and 10
    groups into priority list

    gnutls.c: [2] Keeping ciphersuite 13.02 (GNUTLS_AES_256_GCM_SHA384)

    gnutls.c: [2] Keeping ciphersuite 13.03
    (GNUTLS_CHACHA20_POLY1305_SHA256)

    gnutls.c: [2] Keeping ciphersuite 13.01 (GNUTLS_AES_128_GCM_SHA256)

    gnutls.c: [2] Keeping ciphersuite 13.04 (GNUTLS_AES_128_CCM_SHA256)

    gnutls.c: [2] Keeping ciphersuite c0.2c
    (GNUTLS_ECDHE_ECDSA_AES_256_GCM_SHA384)

    gnutls.c: [2] Keeping ciphersuite cc.a9
    (GNUTLS_ECDHE_ECDSA_CHACHA20_POLY1305)

    gnutls.c: [2] Keeping ciphersuite c0.ad (GNUTLS_ECDHE_ECDSA_AES_256_CCM)

    gnutls.c: [2] Keeping ciphersuite c0.0a
    (GNUTLS_ECDHE_ECDSA_AES_256_CBC_SHA1)

    gnutls.c: [2] Keeping ciphersuite c0.2b
    (GNUTLS_ECDHE_ECDSA_AES_128_GCM_SHA256)

    gnutls.c: [2] Keeping ciphersuite c0.ac (GNUTLS_ECDHE_ECDSA_AES_128_CCM)

    gnutls.c: [2] Keeping ciphersuite c0.09
    (GNUTLS_ECDHE_ECDSA_AES_128_CBC_SHA1)

    gnutls.c: [2] Keeping ciphersuite c0.30
    (GNUTLS_ECDHE_RSA_AES_256_GCM_SHA384)

    gnutls.c: [2] Keeping ciphersuite cc.a8
    (GNUTLS_ECDHE_RSA_CHACHA20_POLY1305)

    gnutls.c: [2] Keeping ciphersuite c0.14
    (GNUTLS_ECDHE_RSA_AES_256_CBC_SHA1)

    gnutls.c: [2] Keeping ciphersuite c0.2f
    (GNUTLS_ECDHE_RSA_AES_128_GCM_SHA256)

    gnutls.c: [2] Keeping ciphersuite c0.13
    (GNUTLS_ECDHE_RSA_AES_128_CBC_SHA1)

    gnutls.c: [2] Keeping ciphersuite 00.9d (GNUTLS_RSA_AES_256_GCM_SHA384)

    gnutls.c: [2] Keeping ciphersuite c0.9d (GNUTLS_RSA_AES_256_CCM)

    gnutls.c: [2] Keeping ciphersuite 00.35 (GNUTLS_RSA_AES_256_CBC_SHA1)

    gnutls.c: [2] Keeping ciphersuite 00.9c (GNUTLS_RSA_AES_128_GCM_SHA256)

    gnutls.c: [2] Keeping ciphersuite c0.9c (GNUTLS_RSA_AES_128_CCM)

    gnutls.c: [2] Keeping ciphersuite 00.2f (GNUTLS_RSA_AES_128_CBC_SHA1)

    gnutls.c: [2] Keeping ciphersuite 00.9f
    (GNUTLS_DHE_RSA_AES_256_GCM_SHA384)

    gnutls.c: [2] Keeping ciphersuite cc.aa
    (GNUTLS_DHE_RSA_CHACHA20_POLY1305)

    gnutls.c: [2] Keeping ciphersuite c0.9f (GNUTLS_DHE_RSA_AES_256_CCM)

    gnutls.c: [2] Keeping ciphersuite 00.39
    (GNUTLS_DHE_RSA_AES_256_CBC_SHA1)

    gnutls.c: [2] Keeping ciphersuite 00.9e
    (GNUTLS_DHE_RSA_AES_128_GCM_SHA256)

    gnutls.c: [2] Keeping ciphersuite c0.9e (GNUTLS_DHE_RSA_AES_128_CCM)

    gnutls.c: [2] Keeping ciphersuite 00.33
    (GNUTLS_DHE_RSA_AES_128_CBC_SHA1)

    gnutls.c: [2] Advertizing version 3.4

    gnutls.c: [2] Advertizing version 3.3

    gnutls.c: [2] Advertizing version 3.2

    gnutls.c: [2] Advertizing version 3.1

    gnutls.c: [2] HSK[0x7fd47d746600]: sent server name: 'news.eternal-september.org'

    gnutls.c: [1] (Emacs) non-fatal error: Resource temporarily unavailable,
    try again. [80 times] gnutls.c: [audit] Received record packet of
    unknown type 50

    gnutls.c: [1] (Emacs) fatal error: An unexpected TLS packet was
    received. gnutls.el: (err=[-15] An unexpected TLS packet was received.)
    boot: (:priority NORMAL:%DUMBFW :hostname news.eternal-september.org
    :loglevel 2 :min-prime-bits nil :trustfiles (/etc/ssl/cert.pem)
    :crlfiles nil :keylist nil :verify-flags nil :verify-error nil :pass nil
    :flags nil :callbacks nil) >>> (gnutls-error nntpd -15) nntp (username@news.eternal-september.org) open error: rCy>>> (gnutls-error
    nntpd -15)rCO. Continue? (y or n) n CouldnrCOt open server on username@news.eternal-september.org Mark set [2 times]
    --- Synchronet 3.21d-Linux NewsLink 1.2