Re: question about network connections

2019-10-26 Thread David Christensen
On 10/26/19 3:57 AM, mick crane wrote: hello, what tests can I do to find out what is happening with internet connection ? I have pfsense as router connecting to ISP's broadband box. I think pfsense does that DHCP but also I might have names to ipadresses in host files but just for local

Re: question about network connections

2019-10-26 Thread Christopher David Howie
On 10/26/2019 8:35 AM, to...@tuxteam.de wrote: > Yep. Something along the lines of > > tcpdump -w data.pcap > > then scp that to your box and > > wireshark data.pcap > > Refinements, of course, possible :-) I'd also suggest giving tcpdump the name of either the internal or external

Re: question about network connections

2019-10-26 Thread John Hasler
Recent changes in ssl have resulted in it sometimes emitting "don't fragment" packets that are too big for some PPPoE links and possibly for other sorts of bridge. The solution for me was to set the PPP MTU in my router t0 1400. -- John Hasler jhas...@newsguy.com Elmwood, WI USA

Re: question about network connections

2019-10-26 Thread Lee
On 10/26/19, Joe wrote: > On Sat, 26 Oct 2019 11:57:19 +0100 > mick crane wrote: > >> Problem is there is one site that sometimes it loads sometimes it >> times out. <.. snip ..> > Also try traceroute to the offending site at various times to see if > you get a consistent time or whether

Re: question about network connections

2019-10-26 Thread Lee
On 10/26/19, mick crane wrote: > hello, > what tests can I do to find out what is happening with internet > connection ? > I have pfsense as router connecting to ISP's broadband box. > I think pfsense does that DHCP but also I might have names to ipadresses > in host files but just for local

Re: question about network connections

2019-10-26 Thread tomas
On Sat, Oct 26, 2019 at 01:08:10PM +0100, mick crane wrote: [...] > I get it, I should ssh into pfsense and do tcpdump thing and then > analyze file elsewhere. Yep. Something along the lines of tcpdump -w data.pcap then scp that to your box and wireshark data.pcap Refinements, of

Re: question about network connections

2019-10-26 Thread mick crane
On 2019-10-26 12:13, to...@tuxteam.de wrote: On Sat, Oct 26, 2019 at 11:57:19AM +0100, mick crane wrote: hello, what tests can I do to find out what is happening with internet connection ? Wireshark. Be prepared to learn a bit about networking, though. I usually use tcpdump -w to capture the

Re: question about network connections

2019-10-26 Thread Joe
On Sat, 26 Oct 2019 12:27:54 +0100 mick crane wrote: > On 2019-10-26 12:19, Joe wrote: > > On Sat, 26 Oct 2019 11:57:19 +0100 > > mick crane wrote: > > > >> hello, > >> what tests can I do to find out what is happening with internet > >> connection ? > >> I have pfsense as router connecting

Re: question about network connections

2019-10-26 Thread mick crane
On 2019-10-26 12:19, Joe wrote: On Sat, 26 Oct 2019 11:57:19 +0100 mick crane wrote: hello, what tests can I do to find out what is happening with internet connection ? I have pfsense as router connecting to ISP's broadband box. I think pfsense does that DHCP but also I might have names to

Re: question about network connections

2019-10-26 Thread Joe
On Sat, 26 Oct 2019 11:57:19 +0100 mick crane wrote: > hello, > what tests can I do to find out what is happening with internet > connection ? > I have pfsense as router connecting to ISP's broadband box. > I think pfsense does that DHCP but also I might have names to > ipadresses in host files

Re: question about network connections

2019-10-26 Thread tomas
On Sat, Oct 26, 2019 at 11:57:19AM +0100, mick crane wrote: > hello, > what tests can I do to find out what is happening with internet > connection ? Wireshark. Be prepared to learn a bit about networking, though. I usually use tcpdump -w to capture the data (no need to run wireshark as root,

question about network connections

2019-10-26 Thread mick crane
hello, what tests can I do to find out what is happening with internet connection ? I have pfsense as router connecting to ISP's broadband box. I think pfsense does that DHCP but also I might have names to ipadresses in host files but just for local network addresses. I have debian apache on