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Groups > comp.os.linux.networking > #4631

Re: ftp,ssh,http blocked by ISP?

From Dan Purgert <dan@djph.net>
Newsgroups comp.os.linux.networking
Subject Re: ftp,ssh,http blocked by ISP?
Date 2020-07-18 14:59 +0000
Organization A noiseless patient Spider
Message-ID <slrnrh63j2.2qj.dan@djph.net> (permalink)
References <reuqg2$cvg$1@dont-email.me>

Show all headers | View raw

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Bob Tennent wrote:
> For years I've used port-forwarding in my router to allow
> external access to ftp, ssh, and http servers. Recently,
> this no longer works. The servers are running normally and
> can be accessed internally. I can even access them via the
> router IP address, showing that port-forwarding is still
> working. I've also tried port-fowarding and DMZ in the
> modem, to no avail. So my conjecture is that the ISP has
> decided to block packets it considers unworthy before they
> reach the modem.
>
> Is this at all likely? How can I test/confirm the
> conjecture? If it is confirmed, what can I do? Needless to
> say, ISP "technical support" has so far been useless.

Just for giggles, is your gateway showing an IP address in RFC1918 or
RFC6598 space?  Also if you're using DNS, is the DNS pointing at the
right IP address still (e.g. ISP hasn't handed out a new address instead
of what you've had in the past).


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Thread

ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-18 12:38 +0000
  Re: ftp,ssh,http blocked by ISP? Dan Purgert <dan@djph.net> - 2020-07-18 14:59 +0000
    Re: ftp,ssh,http blocked by ISP? William Unruh <unruh@invalid.ca> - 2020-07-18 15:15 +0000
      Re: ftp,ssh,http blocked by ISP? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2020-07-18 20:01 +0300
        Re: ftp,ssh,http blocked by ISP? William Unruh <unruh@invalid.ca> - 2020-07-18 22:06 +0000
    Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-18 16:35 +0000
  Re: ftp,ssh,http blocked by ISP? Ken Hart <kwhart1@frontier.com> - 2020-07-18 11:12 -0400
    Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-18 16:44 +0000
  Re: ftp,ssh,http blocked by ISP? John McCue <jmccue@jmclin1.hsd1.ma.comcast.net> - 2020-07-18 16:33 +0000
  Re: ftp,ssh,http blocked by ISP? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2020-07-18 13:26 -0400
    Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-18 17:56 +0000
      Re: ftp,ssh,http blocked by ISP? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2020-07-18 14:36 -0400
        Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-18 19:06 +0000
          Re: ftp,ssh,http blocked by ISP? William Unruh <unruh@invalid.ca> - 2020-07-18 22:13 +0000
            Re: ftp,ssh,http blocked by ISP? "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2020-07-18 19:36 -0400
              Re: ftp,ssh,http blocked by ISP? "Carlos E.R." <robin_listas@es.invalid> - 2020-07-19 12:56 +0200
                Re: ftp,ssh,http blocked by ISP? Johann Beretta <beretta@nun-ya-bizness.com> - 2020-07-28 21:26 -0700
                Re: ftp,ssh,http blocked by ISP? "Carlos E.R." <robin_listas@es.invalid> - 2020-07-29 10:40 +0200
                Re: ftp,ssh,http blocked by ISP? Johann Beretta <beretta@nun-ya-bizness.com> - 2020-08-01 21:22 -0700
                Re: ftp,ssh,http blocked by ISP? "Carlos E.R." <robin_listas@es.invalid> - 2020-08-02 13:16 +0200
                Re: ftp,ssh,http blocked by ISP? Johann Beretta <beretta@nun-ya-bizness.com> - 2020-08-03 13:57 -0700
                Re: ftp,ssh,http blocked by ISP? "Carlos E.R." <robin_listas@es.invalid> - 2020-08-03 23:07 +0200
            Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-19 01:40 +0000
              Re: ftp,ssh,http blocked by ISP? "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2020-07-18 22:10 -0400
              Re: ftp,ssh,http blocked by ISP? "Carlos E.R." <robin_listas@es.invalid> - 2020-07-19 12:59 +0200
  Re: ftp,ssh,http blocked by ISP? Giovanni <lsodgf0@home.net.it> - 2020-07-19 10:10 +0200
  Re: ftp,ssh,http blocked by ISP? Marc Haber <mh+usenetspam1118@zugschl.us> - 2020-07-19 15:09 +0200
    Re: ftp,ssh,http blocked by ISP? William Unruh <unruh@invalid.ca> - 2020-07-19 17:35 +0000
      Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-20 02:33 +0000
        Re: ftp,ssh,http blocked by ISP? William Unruh <unruh@invalid.ca> - 2020-07-20 02:55 +0000
        Re: ftp,ssh,http blocked by ISP? "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2020-07-19 23:32 -0400
        Re: ftp,ssh,http blocked by ISP? "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2020-07-19 23:46 -0400
          Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-20 06:01 +0000
            Re: ftp,ssh,http blocked by ISP? "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2020-07-20 20:16 -0400
            Re: ftp,ssh,http blocked by ISP? Johann Beretta <beretta@nun-ya-bizness.com> - 2020-08-01 21:24 -0700
        Re: ftp,ssh,http blocked by ISP? Giovanni <lsodgf0@home.net.it> - 2020-07-20 09:10 +0200
          Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-20 11:31 +0000
            Re: ftp,ssh,http blocked by ISP? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2020-07-20 17:49 +0300
              Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-20 15:32 +0000
                Re: ftp,ssh,http blocked by ISP? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2020-07-20 21:01 +0300
                Re: ftp,ssh,http blocked by ISP? Bit Twister <BitTwister@mouse-potato.com> - 2020-07-20 13:04 -0500
            Re: ftp,ssh,http blocked by ISP? William Unruh <unruh@invalid.ca> - 2020-07-20 20:11 +0000
              Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-20 20:42 +0000
                Re: ftp,ssh,http blocked by ISP? William Unruh <unruh@invalid.ca> - 2020-07-20 21:11 +0000
                Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-21 01:52 +0000
                Re: ftp,ssh,http blocked by ISP? dyrmak <dyrmak@quelite.terre.invalid> - 2020-07-21 08:35 +0000
  Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-21 10:34 +0000
    Re: ftp,ssh,http blocked by ISP? Giovanni <lsodgf0@home.net.it> - 2020-07-21 13:48 +0200
      Re: ftp,ssh,http blocked by ISP? Bob Tennent <rdtennent@tennent.ca> - 2020-07-21 13:35 +0000
        Re: ftp,ssh,http blocked by ISP? "Carlos E.R." <robin_listas@es.invalid> - 2020-07-21 16:03 +0200

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