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Blocked Ports

As of March 25, 2004 the following ports are blocked in the access-lists indicated

As of July 12, 2006 the following ports are blocked in the access-lists indicated. The "w/ex" means there are exceptions configured to allow certain traffic through on these ports.

Description

Port

Border Firewall

Resnet Firewall

Reserved

0

tcp

No

Reserved

1

tcp

no

RJE

5

udp

udp

systat

11

tcp

tcp

netstat

15

tcp

tcp

chargen

19

tcp/udp

 

SMTP

25

tcp *w/ex, see smpt white-list

 

whois

43

tcp

tcp

tftp

69

udp

udp

TFTP

69

udp

udp

finger

79-in

tcp

No

LINK

87

tcp

tcp

supdup

95

tcp

tcp

****swift-rvf

97

Yes

No

linuxconf

98

tcp

No

*****csnet-ns

105

Yes

No

RPC

111

tcp/udp

No

nntp

119

tcp *w/ex

 

loc-serv/epmap

135

tcp/udp

 

Netbios Name/Samba

137

tcp/udp

Yes udp only w/ex

Netbios Datagram/Samba

138

tcp/udp

Yes udp only w/ex

Netbios Session/Samba

139

udp/udp

Yes tcp only w/ex

NeWS

144

tcp

Yes

SNMP

161

udp

Yes w/ex

SNMP-T

162

udp

Yes w/ex

xdmcp

177

udp

Yes

IPX tunnel

213

udp

Yes

CIFS (Windows 2000)

445

tcp

 

biff

512

udp

Yes

rwho

513

udp

Yes

rexec

512

tcp

Yes exec

rlogin

513

tcp

Yes login

syslog

514

udp

Yes

rsh

514

tcp

No

printer

515

tcp

No

route

520

udp

Yes rip

netwall

533

udp

Yes

uucp

540

tcp

Yes

remotefs

556

tcp

No

agentx

705

tcp

No

socks

1080

tcp/udp

 

SQL Server

1433

tcp

Yes

SQL Server monitor

1434

tcp

Yes

Oracle SQL

1521

tcp

 

Openwin

2000

no

yes w/ex

FTP-d

2023

No

No

NFS

2049

tcp/udp

Yes w/ex

listen

2766

Yes

Yes

MySQL

3306

tcp

Yes w/ex

**Xwindows

6000

tcp/udp *waiting for vpn

Yes w/ex

**Xwindows

6001

tcp/udp *waiting for vpn

Yes w/ex

Firewall exceptions

Description

Requestor/contact info

Date requested

BF exception to acs2 nntp 119

Paul Malquist 2-6553

9/5/2002

BF exception from subnet 205.149.104.X for ports 445,1433,& 1434 to host 128.187.11.26.

Brett Hill

9/5/2002

BF exception from subnet 205.149.104.X to 128.187.11.5 for port 111

Brett Hill

9/5/2002

BF exception from BYUI 157.201.145.53,124 from BYUH 216.228.252.128/25from LDSBC 198.60.73.190,191,192 to illiad.lib.byu.edu (128.187.233.109, 108) for ports 135-137, 139, 445 and 1433

Ranny LacanientaLibrary (801) 422-6278

9/10/2002

Border firewall exception from 208.48.160.*, 208.48.161.* to 128.187.60.251 for ports 135-140.

David M Billings [mailto:dmb75@email.byu.edu]

9/11/2002

border firewall exception from Network subnet: 64.75.143.* to enforcer.byu.edu 128.187.21.13 for rexec port 512

Hans Douma

10/15/2002

ResNet exception from 128.187.223.0, 128.187.225.0 to campus

Unknown

Unknown

BF exception from Portland 63.230.174.17, sunnyvale 205.178.70.126, Raleigh 66.83.90.226 to Book Store 128.187.215.157 on port SQL 1433

Dan Evans 2-6638

11/13/2002

BF exception from Farms from 128.187.186.188 to 208.45.246.20 for port 1433

paul_brower@andersonroofing.com or Brent Hall

1/27/2003

BF firewall exception for port 1433 illiad.byu.ed 128.187.233.109 to BYUH: 216.228.252.128/25  BYUI: 157.201.145.30 157.201.145.53 157.201.154.24 LDSBC: Karen's Computer: 198.60.73.190 Staff Computer: 198.60.73.191 Circulation Desk: 198.60.73.192

Brett Hill

1/27/2003

BF exception: allow from Raleigh (66.83.90.226), Portland (63.230.174.170), and Sunnyvale (216.218.195.0/24) to sp-bkst.byu.edu 128.187.215.157 on port 1433.

Dan Evans dan_evans@byu.edu

1/30/03

exception for CHQ from 198.60.42.129-254 to illiad.lib.byu.edu (128.187.233.109) and illiadtest.lib.byu.edu (128.187.233.108) for ports 135-137,139,445,1433.

Ranny Lacanienta

2/12/2003

exception to 128.187.233.120 on ports 135,137,138,139 and 445 over TCP and UDP from 157.201.145.x

Ryan Price

3/6/2003

firewall exception from 64.80.110.217 to CABOT (128.187.99.172) on port 1521

Mark Hales

3/13/2003

firewall exception from 216.250.76.226 to conrs8.byu.edu 128.187.192.228 for port 1521.firewall exception from 200.78.64.211 to conrs8.byu.edu 128.187.192.228 for port 1521

adam_egbert@byu.edu

3/13/2003

firewall exception for Jim from everywhere to tinic.byu.edu on port 1521

Jim Logan 6551

3/13/2003

firewall exception from 208.178.192.230 and 231 to 128.187.193.246 on port 1521

James Barrett

3/14/2003

firewall exception for 128.187.215.157 (SP-BKST.byu.edu) from the following IP address: 199.82.246.241 for port 1433.

Dan Evans

7/18/2003

Firewall exception for 128.187.233.123 to 157.201.145.x for ports 135, 136, 137, 138, 139, 445 tcp and udp.

Ryan Price

8/1/2003

Firewall exception 68.251.166.0/24 to 128.187.70.6 tcp port sqlnet (Oracle)

Chris Fruge

9/7/2005

Additional ports being blocked in Resnet Firewall

Port

Description

Protocol

swift-rvf

97 to 128.187.22.200

only tcp

csnet-ns

105 to 128.187.22.200

only tcp

remotefs

556

tcp

135

135

tcp 3/25/2004

445

445

tcp 3/25/2004

1025

1026 - 1027

udp 3/25/2004

2745

2745

tcp 3/25/2004

3127

3127

tcp 3/25/2004

6129

6129

tcp 3/25/2004

?

6003-6025

tcp/udp

?

43981

udp

?

43982

udp

 

Last Modified: 07/14/2006 08:44:23 AM

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