Think of one simple thing. Squid does not see and can not see protocols that do not support. What do you expect from it? Does it work on L1/L2? No? Then what is the discussion about?
11.03.2017 3:22, Yuri Voinov пишет: > Of course, there is no stream video from security cams, no voice IP, no > SIP, no torrents, no RDP, no other protocol. They simple does not exists > and we're all believe that's all not above over 1% of overall traffic. > Yes. Sure. Really. > > Only web-surfing :) Sure :) > > > 11.03.2017 3:19, Yuri Voinov пишет: >> 11.03.2017 2:57, Antony Stone пишет: >>> On Friday 10 March 2017 at 21:50:19, Yuri Voinov wrote: >>> >>>> Gentlemen, and it never occurred to you that there are other types of >>>> traffic besides HTTP / HTTPS, right? >>>> >>>> DNS, ICMP, other protocols? >>> I'm assuming Yosi has been measuring only TCP traffic, but even if he's >>> been >>> measuring everything, I don't think DNS, ICMP and other protocols would add >>> more than 1% on top of HTTP/S, unless (as Marcus suggested) there is also >>> totally-non-Squid traffic on the link being measured. >> Come on, sure? Even in L7? Really? Cool story, bro! >>> Antony. >>> >>>> 11.03.2017 2:44, Yosi Greenfield пишет: >>>>> Aha! That could be it. I use sslbump, but not for all users. I'll >>>>> check that out, although I think that it's a problem even for bumped >>>>> users. Even for bumped users we don't bump all sites, so that really >>>>> could be it. >>>>> >>>>> Thanks! >>>>> >>>>> >>>>> -----Original Message----- >>>>> From: squid-users [mailto:squid-users-boun...@lists.squid-cache.org] On >>>>> Behalf Of Marcus Kool >>>>> Sent: Friday, March 10, 2017 3:38 PM >>>>> To: squid-users@lists.squid-cache.org >>>>> Subject: Re: [squid-users] Data usage reported in log files >>>>> >>>>> On 10/03/17 16:27, Yosi Greenfield wrote: >>>>>> Thanks! >>>>>> >>>>>> Netflow is much larger. >>>>>> >>>>>> I really want to know exactly what site is costing my users data. Many >>>>>> of our users are on metered connections and are paying for overage, >>>>>> but I can't tell where that overage is being used. Are they using >>>>>> youtube, webmail, wetransfer? I see only a fraction of their actual >>>>>> proxy usage in my squid logs. >>>>>> >>>>>> Data compression would give the opposite result, so that's not what >>>>>> I'm seeing. >>>>>> >>>>>> Any other ideas? >>>>> Is there any traffic that is not directed to Squid? >>>>> >>>>> Do you use ssl-bump in bump mode ? >>>>> If not, Squid has no idea how many bytes go through the (HTTPS) tunnels. >>>>> >>>>> Marcus >>>>> >>>>>> -----Original Message----- >>>>>> From: squid-users [mailto:squid-users-boun...@lists.squid-cache.org] >>>>>> On Behalf Of Antony Stone >>>>>> Sent: Friday, March 10, 2017 2:21 PM >>>>>> To: squid-users@lists.squid-cache.org >>>>>> Subject: Re: [squid-users] Data usage reported in log files >>>>>> >>>>>> On Friday 10 March 2017 at 20:14:36, Yosi Greenfield wrote: >>>>>>> Hello all, >>>>>>> >>>>>>> I'm analyzing my squid logs with sarg, and I see that the number of >>>>>>> bytes reported as used by any particular user are often nowhere near >>>>>>> the bytes reported by netflow and tcpdump. >>>>>> Which is larger? >>>>>> >>>>>>> I'm trying to trace my users' data usage by site, but I'm unable to >>>>>>> do so from the log files because of this. >>>>>> Well, what is it you really want to know? >>>>>> >>>>>> netflow / tcpdump will give you accurate numbers for the quantity of >>>>>> data on your Internet link - I assume this is what you're most >>>>>> interested in? >>>>>> Squid will show you what quantity of data goes to/from the clients, >>>>>> but is that really important? >>>>>> >>>>>>> Can someone please explain to me what I might be missing? Why does >>>>>>> squid log report one thing and netflow and tcpdump show something >>>>>>> else? >>>>>> Data compression? >>>>>> >>>>>> HTTP responses are often gzipped, so if tcpdump is showing you smaller >>>>>> numbers of bytes than Squid reports, that's what I'd look at first. >>>>>> >>>>>> >>>>>> Antony. -- Bugs to the Future
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