Re: TELNET to HISTORIC Re: FTP

[Greg Skinner <gregskinner0=40icloud.com@xxxxxxxxxxxxxx>]

On Jul 17, 2024, at 10:26 AM, Rob Sayre <sayrer@xxxxxxxxx> wrote:

Julian Reschke <julian.reschke@xxxxxx> wrote:

> And again, what does this have to do wit HTTP(s) vs Telnet vs FTP???

My computer doesn't have Telnet or FTP.

% which ftp
ftp not found
% which telnet
telnet not found
% which ssh
/usr/bin/ssh
% which scp
/usr/bin/scp
% which sftp
/usr/bin/sftp

% sw_vers
ProductName: macOS
ProductVersion: 14.5
BuildVersion: 23F79

thanks,

Rob

My apologies for coming into this thread late.  Have you ever tried curl? [1] It has been part of the Apple Darwin standard installation for several years.  It supports the ftp and telnet protocols:

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% curl -V

curl 8.6.0 (x86_64-apple-darwin23.0) libcurl/8.6.0 (SecureTransport) LibreSSL/3.3.6 zlib/1.2.12 nghttp2/1.61.0

Release-Date: 2024-01-31

Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns ldap ldaps mqtt pop3 pop3s rtsp smb smbs smtp smtps telnet tftp

Features: alt-svc AsynchDNS GSS-API HSTS HTTP2 HTTPS-proxy IPv6 Kerberos Largefile libz MultiSSL NTLM NTLM_WB SPNEGO SSL threadsafe UnixSockets

====

Here is an example of using curl to access a routeviews.org route collector:

====

% curl -v telnet://route-views.paix.routeviews.org

* Host route-views.paix.routeviews.org:23 was resolved.

* IPv6: 2001:4f8:ffff::14

* IPv4: 192.158.252.14

*   Trying [2001:4f8:ffff::14]:23...

* Connected to route-views.paix.routeviews.org (2001:4f8:ffff::14) port 23

Hello, this is FRRouting (version 10.0.1).

Copyright 1996-2005 Kunihiro Ishiguro, et al.

* RCVD WILL ECHO

* SENT DO ECHO

* RCVD WILL SUPPRESS GO AHEAD

* SENT DO SUPPRESS GO AHEAD

* RCVD DONT LINEMODE

* RCVD DO NAWS

* SENT WILL NAWS

* SENT IAC SB 

* NAWS

* Width: 0 ; Height: 0

* SENT WILL BINARY

* SENT DO BINARY

* SENT WILL SUPPRESS GO AHEAD

route-views.paix> 

show version

route-views.paix> show version

FRRouting 10.0.1 (route-views.paix) on Linux(5.15.0-79-generic).

Copyright 1996-2005 Kunihiro Ishiguro, et al.

configured with:

    '--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-option-checking' '--disable-silent-rules' '--libdir=${prefix}/lib/x86_64-linux-gnu' '--libexecdir=${prefix}/lib/x86_64-linux-gnu' '--disable-maintainer-mode' '--sbindir=/usr/lib/frr' '--with-vtysh-pager=/usr/bin/pager' '--libdir=/usr/lib/x86_64-linux-gnu/frr' '--with-moduledir=/usr/lib/x86_64-linux-gnu/frr/modules' '--disable-dependency-tracking' '--enable-rpki' '--disable-scripting' '--enable-pim6d' '--with-libpam' '--enable-doc' '--enable-doc-html' '--enable-snmp' '--enable-fpm' '--disable-protobuf' '--disable-zeromq' '--enable-ospfapi' '--enable-bgp-vnc' '--enable-multipath=256' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' 'build_alias=x86_64-linux-gnu' 'PYTHON=python3'

quit

route-views.paix> quit

* Closing connection

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I verified from the curl source code that it supports telnet protocol options. [2]

Regards, Greg

[1] https://curl.se

[2] https://github.com/curl/curl/blob/27959ecce75cdb2809c0bdb3286e60e08fadb519/lib/telnet.c#L147