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Messages - bchemnet

#331
Looks like something in the route to me, not sure what.  Hopefully it will continue to clear up for everyone, but feel free to post again if problems persist.
#332
Another obvious and potentially useful traceroute comparison would be to the previous server, which is 206.188.192.118.
#333
Printing / Re: CLP-365 - no page gets printed
June 05, 2013, 23:38:40
Try removing the files you installed and installing a version from the repository.
#334
Quote from: ZgaR on June 05, 2013, 12:46:07
Hopefully this give you some proof that it may come from something else than our ISPs.

Some.  (To be clear - since I have no problems connecting, all my above statements should be treated as hypotheses based on available information, and ones that I am unable to test myself.  I am glad that you have been able to test at least some aspects.)  Assuming for the moment that I can accept the statements I have received that no filtering or blocking is occuring at my end, the implication is still that somewhere along the route there is a problem.  While not necessarily directly the problem of the ISP, it is still something that only an ISP could resolve.  Of course an ISP does not pre-determine the route, but the route is a variable that they do have some control over and nobody else does.

If the information I have received is incorrect and there is filtering at my end, there is still nothing I can do without explicit evidence showing that.  Which no test has yet indicated, but is still theoretically possible.  If something clearly does emerge to indicate a problem with my provider, I will certainly take it to them.

If it really is just a route issue, then the issue may also resolve itself over time.

If I were in your position at this point, I would take the information you have shared to my ISP and point out that something odd is occuring on a server through which some of their traffic is passing, and they should investigate it.  (Not that I would necessarily expect that they would do so, based on past customer service experience.)  Particularly since AboveNet, now owned by Zayo, has a long history of blocking websites, and has been a user of many blacklists.  Again, just a hypothesis, but it does seem like a suspicious difference given the traceroute output.  It would be interesting, if rather non-trivial, to see if you could reach this site by routing around that server.  The data so far is consistent with (although not conclusive) the possibility that the AboveNet server is blocking your IP address, but not your friend's or proxy server's.  Do you know if any sites that you can reach have a route that passes through that server?

It might also be useful if other users who are having trouble (or trouble sometimes) could perform a traceroute (apt-get traceroute, traceroute -T 173.236.28.2) to see if there is a common point at which the packet stalls.
#335
ISPs are free to do anything they choose with blocklists, and some do choose to use spam lists to block all connections.  I make no claim to understand why they would do so.  Similarly, if an ISP is filtering all ports to a particular IP address, there would be no reason for it to be listed in the postmaster system you linked to.  The real test for the mail is whether or not you receive new post notifications from this forum when subscribed to do so, and whether or not you can attempt to send to a random address @bchemnet.com (which should result in a failure notice due to invalid address).  That explicitly tests both directions of the connection, at least via that particular mechanism.

Your nmap scan is inconclusive.  If my provider were blocking your connections entirely, you would not receive open port notices.  Therefore, some sort of more specific filtering is going on, but nmap would be unable to resolve the source of that filter.  Both my provider and their server host maintain that they do absolutely no filtering of any kind based on IP and domains (I have exchanged several messages with them recently), and my particular server is also not configured to do so.

At this point, the only thing I can do is to suggest that those having trouble connecting bring it up to their providers, to at least find out if they claim to be doing any blocking.  I have already investigated the issue as far as I am able to at my end, and the conclusion is that there should not be any connection issues.  As I already stated, overall traffic to the site has not significantly changed since I moved providers, so this is affecting only a small number of people and I don't see any obvious pattern (admittedly, the sample size of known people affected is very small).  If connection issues persist, there are public proxies that can be used to work around the problem - which I concede is annoying, but also not my fault.
#336
Quote from: reetp on June 04, 2013, 08:57:08
It would therefore appear that my UK provider (but not my Spanish one) uses this list.

Unfortunately I very much doubt that my provider is going to remove the IP from their list.

You should encourage your provide to stop using the APEWS list at all, as the majority of all IP addresses on the web have at one time or another appeared on the list.  This list has received considerable criticism from the community since shortly after it was first launched, see for example:
http://www.dnsbl.com/2007/08/apews-news-and-commentary-roundup.html
http://www.dnsbl.com/2007/08/what-to-do-if-you-are-listed-on-apews.html

(Although almost 6 years old, it appears that these are still the references that most administrators point to when having issues with the list.)

Quote from: reetp on June 04, 2013, 08:57:08
I hate to say it, but it really is up to the web site owner to get it resolved, just the same as if you have a mail server that is blocked.

Yes, but which website?  The list is blocking over 65,000 addresses with that single entry, affecting up to a million websites.  Which one is the problem?  The list doesn't say, and elsewhere explicitly states that they do not reply to inquiries.  How is it possible to resolve the issue with such a ridiculously broad block?

Moreover, why are ISPs blocking access to the website based on a blocklist related to spam?  Blocking email using this list would be one thing (although still a bad idea in my opinion), but the inability to access the site at all is absurd.  Very few ISPs appear to be using the list (I have not noticed a significant drop in total site visits or downloads since switching my host - and I have confirmed that my previous IP address was not on the list), so it is something that should be pointed out to those ISPs that do appear to be using it.

I have no doubt that someone in that block of IP addresses is a spammer, based on simple odds.  However, it is telling that no other blacklist includes my particular IP address, nor in fact any IP address in the same range that belongs to my hosting provider.  (As I indicated above, the block is actually applied to the entire server company that my provider is using.)
#337
Try installing a different version driver (different suld-driver-xxx package) that supports your printer.
#338
You can determine the driver (assuming you are actually using the Samsung one and not foomatic or some other driver if you are accepting an automatic install) by changing which suld-driver-xxx package you have installed.
#340
I suspect I have tracked down why a few people are having connection issues since I switched hosts.  My IP address is listed on the APEWS blocklist, and a small number of ISPs use this list to block all traffic to those IP addresses.  A few also block only mail (I suspect a number of users are having this problem, but don't realize it).  Theoretically everyone on the APEWS blocklist is a spammer.  This blocklist is terrible, because it is far too broad and there is no mechanism to appeal.  APEWS lists all IP addresses ultimately associated with singlehop, which is a major server provider and reseller to smaller host providers.  My particular host provider does not host any spammers, but this overly broad block encompasses all sites associated with my provider because they happen to use servers that reside in the same building as someone else who may be spamming.  This is the only blocklist that is so all-encompassing and includes my IP address.

Please check with your ISP as to whether they use the APEWS blocklist, and encourage them to stop doing so if they are.  Because the timeout errors are not due to anything controllable at my end of the connection, there is nothing that I can do to resolve the issue (except for me to attempt yet another host shift, a fairly serious expense in terms of both money and time that I'm not particularly interested in).
#341
Scanning / Re: CLX-3305W in ubuntu 13.04
May 30, 2013, 08:49:08
Quote from: raulmateos on May 30, 2013, 05:16:18
- edit /etc/sane.d/xerox_mfp.conf to add:
# Samsung CLX-3305
usb 0x04e8 0x3456

- edit /lib/udev/rules.d/40-libsane.rules to add:
# Samsung CLX-3305
ATTRS{idVendor}=="04e8", ATTRS{idProduct}=="3456", ENV{libsane_matched}="yes"

The above piece is what enabled your scanner.  I will add this to the list of printers that the packages trigger xerox_mfp support for now that you have shared the ID information.  I thought the CLX-3305 was already included, but apparently not.

I'm not sure why you see two scanners, but that seems to occasionally occur.
#342
I have confirmed that there are no blocks by IP address or using any block lists by either my particular setup or my host provider.
#343
It won't work with any of the information on this page or this repository.  Your only option for the Raspberry Pi is the SpliX driver.  You can either download and compile yourself, or pull from a distribution which provides it for the Pi architure (arm/armel), such as Debian.

If you can't get SpliX working (I can find scattered reports that it seems to work for some printers on the Raspberry Pi), you cannot use the CLP-510 with it.  No other driver option is available with the correct architure (that's why you get the error you report when installing packages from here or Samsung).

You can find the information you need to remove anything you have installed using the links above, depending on which method you used.
#344
Scanning / Re: CLX-3305W in ubuntu 13.04
May 28, 2013, 08:53:19
If by "printer isn't recognized" you mean that you can't even set up the printer to configure it, then the problem is with the USB detection.  Sometimes just switching the USB port in use can clear that problem.
#345
Scanning / Re: CLX-3305W in ubuntu 13.04
May 28, 2013, 07:07:09
If you are connecting to the printer over the wireless network, it could be a network connection issue.  Can you ping the printer?
#346
You can install suld-driver-3.00.90 (or any other), and any other necessary changes in the packages will automatically resolve.
#347
It's not something I'm blocking.  However, your IP address (presumably within a larger block) shows up on the SBL Spamhaus block list (as well as a few others), so it is possible that either my provider or someone between you and my provider is blocking your address based on that list.

You can see the blocklists using this site: http://whatismyipaddress.com/

I will check with my new provider to see what lists they use to block, but the long-term fix is for you to contact your ISP to have them start the process of getting off the blacklists.
#348
Success Stories / Re: CLP-315 on Bodhi Linux
May 27, 2013, 21:04:58
I have not considered releasing the repository on a CD.  I don't think it is "stable" enough to justify that.  Although it's a little hard for to judge, because I don't usually hear from the people everything just works for.

Ideally this could be included with distributions directly, but the lack of source code prevents that.
#349
Scanning / Re: CLX-3305W in ubuntu 13.04
May 27, 2013, 21:01:42
Try removing the driver, then installing it using the repository.
#350
Try going back to the previous version you had installed.
#351
It should be working again.
#352
Printing / Re: Unable to add Samsung ML-1675
May 26, 2013, 09:26:00
It's probably a USB issue rather than the printer driver - CUPS is not detecting the printer.  Try using a different USB port.  There was also a libusb update when the freeze lifted, so it is possible that is related.
#353
Have you tried different driver versions?
#354
(Moved to the new board dedicated for the scanner server.)

I'll fix it shortly, thanks.
#355
Moving this to a dedicated topic.
#356
Quote from: smika on May 22, 2013, 14:39:06
Thanks for this great work. I installed version 0.3.0 on my laptop, but I have some little issues with my samsung SCX-4623FW .

Try the latest version (0.4.1) available in the repository as suld-scantopc.  It may not solve your problem, but that's the fastest solution if it does.
#357
Quote from: naish on May 21, 2013, 09:12:50
Is it right, that I only have to add a line to my xerox_mfp-smfp.conf like this:

# My Scanner
tcp 192.168.75.113

and the scanner will be found?

I believe so.  You may need to include a port number after the IP address; you can try it without first and see if it works.

There aren't clear instructions anywhere on how to do this because I don't have them either, just suggestions that it is possible.  If you get it working and report back with exactly what worked, I will update my resources with that information.
#358
Sounds like either a hardware problem or an issue with the USB subsystem.  If it worked with an earlier version of Ubuntu, it's a bug you should file through Launchpad.  Same if the printer works hooked up to another computer and you can generally use USB devices on your computer.

The crash with the older configurator makes me suspect a system bug somewhere, because the older version has generally been stable and it's the new one that is less reliable.
#359
I don't expect Samsung to release any further 4.00.xx driver versions.  And for the last 18 months or so, they have only released any new versions in parallel with introduction of a new printer.  Therefore, I don't expect a new 4.01.xx driver before fall, or possibly even next spring, unless Samsung decides the bugs are severe enough to justify a special release.

However, for your purposes, the lack of updates is not important.  The 4.00.39 driver should continue to work for at least a couple of years, probably much longer, before some system update starts to cause problems with it.
#360
Quick response (I can look at this in more detail later if this doesn't fix it): try different suld-configurator packages.  That's where smfpscan comes from, so changing the driver version (probably) won't have any effect.

As to your question about where you can find out about options: there isn't any such list I'm aware of, and for the most part your examples cover the important bits.
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