Hi
I am geeing Proxy error . Please find the below proxy log file.

15200:20170804:201014.900 **** Enabled features ****
15200:20170804:201015.124 SNMP monitoring: NO
15200:20170804:201015.461 IPMI monitoring: NO
15200:20170804:201015.681 Web monitoring: NO
15200:20170804:201015.900 VMware monitoring: NO
15200:20170804:201016.120 ODBC: NO
15200:20170804:201016.343 SSH2 support: YES
15200:20170804:201016.567 IPv6 support: YES
15200:20170804:201016.796 TLS support: YES
15200:20170804:201017.022 **************************
15200:20170804:201017.249 using configuration file: /home/insplus/Fr_prod/proxy/etc/zabbix_proxy.conf
15200:20170804:201039.554 current database version (mandatory/optional): 03000000/03000000
15200:20170804:201039.772 required mandatory version: 03000000
15200:20170804:201040.890 proxy #0 started [main process]
15401:20170804:201041.153 proxy #5 started poller #2
15402:20170804:201041.384 proxy #6 started poller #3
15403:20170804:201041.618 proxy #7 started poller #4
15400:20170804:201041.837 proxy #4 started poller #1
15404:20170804:201042.057 proxy #8 started poller #5
15398:20170804:201042.281 proxy #2 started heartbeat sender #1
15405:20170804:201042.610 proxy #9 started unreachable poller #1
15406:20170804:201042.831 proxy #10 started trapper #1
15397:20170804:201043.052 proxy #1 started configuration syncer #1
15408:20170804:201043.273 proxy #11 started trapper #2
15399:20170804:201043.504 proxy #3 started data sender #1
15409:20170804:201043.726 proxy #12 started trapper #3
15410:20170804:201043.947 proxy #13 started trapper #4
15411:20170804:201044.168 proxy #14 started trapper #5
15413:20170804:201044.389 proxy #16 started housekeeper #1
15412:20170804:201044.608 proxy #15 started icmp pinger #1
15414:20170804:201044.827 proxy #17 started http poller #1
15415:20170804:201045.061 proxy #18 started discoverer #1
15417:20170804:201045.287 proxy #20 started history syncer #2
15416:20170804:201046.556 proxy #19 started history syncer #1
15418:20170804:201047.323 proxy #21 started history syncer #3
15420:20170804:201047.997 proxy #23 started self-monitoring #1
15419:20170804:201048.758 proxy #22 started history syncer #4
15397:20170804:201050.561 received configuration data from server at "3.87.84.166", datalen 4213
15415:20170804:201052.435 slow query: 3.049776 sec, "select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_hostid from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=1 where r.status=0 and (r.nextcheck<=1501877449 or r.nextcheck>1501877449+r.delay) and mod(r.druleid,1)=0"
15414:20170804:201055.354 slow query: 6.036761 sec, "select h.hostid,h.host,h.name,t.httptestid,t.name,t.variables,t.headers,t.agent,t.authentication,t.http_user,t.http_password,t.http_proxy,t.retries,t.ssl_cert_file,t.ssl_key_file,t.ssl_key_password,t.verify_peer,t.verify_host from httptest t,hosts h where t.hostid=h.hostid and t.nextcheck<=1501877449 and mod(t.httptestid,1)=0 and t.status=0 and h.proxy_hostid is null and h.status=0 and (h.maintenance_status=0 or h.maintenance_type=0)"
15397:20170804:201108.672 slow query: 4.054025 sec, "select i.itemid,i.hostid,i.status,i.type,i.data_type,i.value_type,i.key_,i.snmp_community,i.snmp_oid,i.port,i.snmpv3_securityname,i.snmpv3_securitylevel,i.snmpv3_authpassphrase,i.snmpv3_privpassphrase,i.ipmi_sensor,i.delay,i.delay_flex,i.trapper_hosts,i.logtimefmt,i.params,i.state,i.authtype,i.username,i.password,i.publickey,i.privatekey,i.flags,i.interfaceid,i.snmpv3_authprotocol,i.snmpv3_privprotocol,i.snmpv3_contextname,i.lastlogsize,i.mtime,i.delta,i.multiplier,i.formula,i.history,i.trends,i.inventory_link,i.valuemapid,i.units,i.error from items i,hosts h where i.hostid=h.hostid and h.status in (0,1) and i.flags<>2"
15398:20170804:201451.692 cannot send heartbeat message to server at "3.87.84.166": ZBX_TCP_READ() timed out