, 
, , . , , , .
, .
, VNC:
Connections: rejecting blacklisted connection: 127.0.0.1::22715.. - 5900, - . , , . , 10 11 . , .
, , - . , tcp-, .
server.listen(5900, function () {});
, , , Firefox:

, . , about:peformance, about:networking id , . , , , (, β ).
, , :

. , :

14 :
β . , . ?
:
- ,
- -
, .
UPD: sashablashenkov, - Dynatrace Real user monitoring
Dynatrace is the only vendor to capture the full visibility of customer experience across every digital transaction. No sampling of data, Dynatrace gives you a complete picture, from the frontend to the backend.
Monitor user journeys
Replay individual customer transactions for rapid problem handling
Dynatrace provides a single problem notification that identifies the root cause of the problem
Identify and resolve technical issues proactively
β
UPD2: 
runalsh , Dynatrace, 
group-ib. :
https://lk.rt.ru/ruxitagentjs_ICA2SVfhqrux_10169190521113456.js.. - , .
, - :
Aa: function () {
        var a = this.Tg();
        this.Qh(a);
        for (var e = 0; e < this.Ye.length; e++) (function (c, f) {
          if (!d.F.N(f.Gg, c) || !d.T.jh() || d.T.wb() || d.T.dc()) {
            var e = (new Date).getTime(),
            g = d.D.mb(Oa(1939), window.location[Ma(1402)] + $e(1358) + c),
            k;
            g.then(function () {
              clearTimeout(k);
              f.Ec(c, ua(1117), (new Date).getTime() - e, a)
            }).then(void 0, function () {
              clearTimeout(k);
              f.wc[c] ? delete f.wc[c] : f.Ec(c, Lb(1430), (new Date).getTime() - e, a)
            });
            k = G(function () {
              f.wc[c] = !0;
              g.te().abort();
              f.Ec(c, Mc(1251), (new Date).getTime() - e, a)
            }, f.$e || 10000)
          }
        }) (this.Ye[e], this)
      },
Ye, 14 , :
this.Ye = b[Uh(1218)];
.. , , , - , .
, . , (, Firefox - 5900, ). β , - .
, , , .
:- , Β«- -Β» . Β« Β».
, - .