Abuse Issue (Tickets From FDC)

I got Abuse issue Tickets from FDC today, Which i have install new OS few days ago, only have 2 website i know they would not send out any spam email or anything..

Due to the below email, their is an abuse issue with your server. You have 24hrs to respond on how you will correct this issue before we null route the ip. Further complaints, without action may result in deactivation of your server.

Thanks for your cooperation.

--begin disclaimer
You are receiving this message because you are listed as contact of
one of the networks or domains involved in this incident. If you are
not the correct contact please ignore this message.
--end

Dear Mr,

Please investigate the incident described in the following partial log,
giving the treatment as your AUP permit, reporting the measures to all
recipients of this message.

In case of non acceptable treatment or reincidence, it will be taken
restrictive measures to protect .BR registry.

Info---------------------------------------------------------------------
Timezone: GMT -2:00

The port in question was 10000 - registered in IANA[2] for: Network Data
Management Protocol

The e-mail contact it was gotten by the following consultation:
whois -h whois.lacnic.net 66.90.101.xxx
Whois-----------------------------------------------------------------------

% Joint Whois - whois.lacnic.net
% This server accepts single ASN, IPv4 or IPv6 queries

OrgName: FDC Servers.net, LLC
OrgID: FDCSE
Address: 141 West Jackson Blvd, Suite 1135
City: Chicago
StateProv: IL
PostalCode: 60604
Country: US

NetRange: 66.90.64.0 - 66.90.127.255
CIDR: 66.90.64.0/18
NetName: FDCSERVERS
NetHandle: NET-66-90-64-0-1
Parent: NET-66-0-0-0-0
NetType: Direct Allocation
Comment:
RegDate: 2003-08-18
Updated: 2004-02-26

OrgAbuseHandle: ABUSE438-ARIN
OrgAbuseName: ABUSE department
OrgAbusePhone: +1-312-913-9304
OrgAbuseEmail: abuse@fdcservers.net

OrgNOCHandle: NOC1402-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-312-913-9304
OrgNOCEmail: abuse@fdcservers.net

OrgTechHandle: PKR5-ARIN
OrgTechName: Kral, Petr
OrgTechPhone: +1-630-729-0228
OrgTechEmail: abuse@fdcservers.net

# ARIN WHOIS database, last updated 2008-01-22 19:10
# Enter ? for additional hints on searching ARIN's WHOIS database.
Logs-----------------------------------------------------------------------
Jan 22 11:51:08.961984 66.90.101.xxx.59733 > xxx.xxx.2.8.10000: S [tcp sum
ok] 1684154077:1684154077(0) win 65535 <mss 1460,nop,nop,sackOK> (ttl
117, id 47077, len 48)
Jan 22 11:51:08.962002 66.90.101.xxx.59733 > xxx.xxx.2.15.10000: S [tcp sum
ok] 2112584473:2112584473(0) win 65535 <mss 1460,nop,nop,sackOK> (ttl
116, id 54111, len 48)
Jan 22 11:51:08.962018 66.90.101.xxx.59733 > xxx.xxx.2.11.10000: S [tcp sum
ok] 784051742:784051742(0) win 65535 <mss 1460,nop,nop,sackOK> (ttl 117,
id 34960, len 48)
Jan 22 11:51:08.962043 66.90.101.xxx.59733 > xxx.xxx.2.16.10000: S [tcp sum
ok] 188686613:188686613(0) win 65535 <mss 1460,nop,nop,sackOK> (ttl 117,
id 8194, len 48)
Jan 22 11:51:08.962057 66.90.101.xxx.59733 > xxx.xxx.2.10.10000: S [tcp sum
ok] 1829533742:1829533742(0) win 65535 <mss 1460,nop,nop,sackOK> (ttl
117, id 26158, len 48)
Jan 22 11:51:08.962080 66.90.101.xxx.59733 > xxx.xxx.2.12.10000: S [tcp sum
ok] 1559560773:1559560773(0) win 65535 <mss 1460,nop,nop,sackOK> (ttl
116, id 4558, len 48)
Jan 22 11:51:08.962093 66.90.101.xxx.59733 > xxx.xxx.2.9.10000: S [tcp sum
ok] 60930635:60930635(0) win 65535 <mss 1460,nop,nop,sackOK> (ttl 117, id
551, len 48)
Jan 22 11:51:08.965238 66.90.101.xxx.59733 > xxx.xxx.2.3.10000: S [tcp sum
ok] 1935758257:1935758257(0) win 65535 <mss 1460,nop,nop,sackOK> (ttl