On 31/03/2017 13:58, Tim+ wrote:
> Andrew <
Andrew9...@mybtinternet.com> wrote:
>> Hi
>>
>> I'm on BT Option 1 and I have never used the BT Hub that they sent
>> me back in about 2006 because I already had a 3Com router 3CRWDR100
>> with all my settings so I just carried on using it.
>>
>> The ADSL logs generally showed a download speed of about 8 Meg
>> but suddenly in the last couple of days I have noticed that
>> it is getting really slow. TV catchup is impossible and web sites
>> with heavy graphics and picture are a pain. The ADSL speed log
>> now shows Actual Data Rate (Up 832 Kbps), (Down 288 Kbps).
>>
>> Nothing has been changed locally, and no-one has been digging
>> anywhere near my house.
>>
>> I switch everything off when I am not using my PC so the router
>> gets re-booted every time. Never had a problem for 11 years.
>>
>> The female BT droid in India just wibbled on about a hob.
>> Eventually I realised she was referring to the BT Hub, which
>> I cannot find. Thet don't seem to care about people who don't
>> use BT spying kit. Just to keep her happy I have done a factory
>> reset and reentered my settings. No improvement.
>>
>> What is the best way to establish where the problem is ?.
>>
>>
>>
>
> I would start by checking to see if you phone line has got noisy. Have you
> done a "quiet line" test? Try this on an extension and then the test
> socket inside your master socket. Once you have your telephone connected to
> the BT test socket dial 17070. You will reach BT's line test facility.
> Choose option 2 from the menu presented - "Quiet Line Test". If your line
> is noisy it's easy to report and hopefully get sorted.
>
> If the line noise is okay, I would try another router (which you have)
> making sure that it's plugged into the test socket.
>
> Once you've established that a) your internal wiring isn't causing a
> problem, b) that your line is quiet and c) that you're using their approve
> router and the fault *still* persists then you're in a much stronger
> position to get the fault escalated and investigated.
>
> Tim
>
I have disconnected all the internal extension wiring. BT HH3 is
plugged into master socket, and the fault is the same.
In the HH3 event log are loads of events like these :-
03:36:16, 05 Apr. OUT: BLOCK [9] Packet invalid in connection (tcp reset
attack is suspected: TCP [86.176.xxx.xxx]:49858->[64.186.xxx.xxx]:443 on
ppp0)
01:36:15, 05 Apr. OUT: BLOCK [9] Packet invalid in connection (tcp reset
attack is suspected: TCP [86.176.xxx.xxx]:56641->[64.186.xxx.xxx]:443 on
ppp0)
.
.
.
19:07:54, 04 Apr. BLOCKED 3 more packets (because of Packet invalid in
connection)
19:07:54, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[178.255.xx.x]:80->[86.176.xxx.xxx]:51541 on ppp0)
19:07:48, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[151.101.xx.xxx]:443->[86.176.xxx.xxx]:51527 on ppp0)
19:07:37, 04 Apr. BLOCKED 1 more packets (because of Packet invalid in
connection)
19:07:37, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[62.24.xxx.xx]:443->[86.176.xxx.xxx]:51516 on ppp0)
19:07:35, 04 Apr. BLOCKED 5 more packets (because of Packet invalid in
connection)
19:07:34, 04 Apr. BLOCKED 1 more packets (because of Packet invalid in
connection)
19:07:33, 04 Apr. BLOCKED 3 more packets (because of Packet invalid in
connection)
19:07:32, 04 Apr. BLOCKED 2 more packets (because of Packet invalid in
connection)
19:07:32, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[151.101.xx.xxx]:80->[86.176.xxx.xxx]:51495 on ppp0)
19:07:31, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[151.101.xx.xxx]:80->[86.176.xxx.xxx]:51508 on ppp0)
19:07:30, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[151.101.xx.xxx]:80->[86.176.xxx.xxx]:51501 on ppp0)
19:07:27, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[151.101.xx.xxx]:443->[86.176.xxx.xxx]:51487 on ppp0)
19:07:21, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[216.58.xxx.xxx]:443->[86.176.xxx.xxx]:51482 on ppp0)
19:07:20, 04 Apr. BLOCKED 5 more packets (because of Packet invalid in
connection)
19:07:19, 04 Apr. BLOCKED 1 more packets (because of Packet invalid in
connection)
19:07:19, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[62.24.xxx.xx]:443->[86.176.xxx.xxx]:51476 on ppp0)
19:06:57, 04 Apr. BLOCKED 1 more packets (because of Packet invalid in
connection)
19:06:56, 04 Apr. BLOCKED 2 more packets (because of Packet invalid in
connection)
19:06:56, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[62.24.xxx.xx]:443->[86.176.xxx.xxx]:51414 on ppp0)
19:06:53, 04 Apr. BLOCKED 1 more packets (because of Packet invalid in
connection)
19:06:52, 04 Apr. IN: BLOCK [9] Packet invalid in connection (Invalid
tcp flags for current tcp state: TCP
[62.24.xxx.xx]:443->[86.176.xxx.xxx]:51410 on ppp0)
My PC is switched off when not in use, so nothing I did could
explain this.
Any ideas ?.
I assume xxx.xxx is unique to me which is why I have shown it as
xxx.xxx
Andrew