TCP Questions


Re: Windows Time server
Hi All, Let me give an overview of our forest: We are on a Windows 2000 mixed mode forest. We have 2 Dc’s in my parent domain and a standalone ntp server not on our domain but within our network segment which goes out to get time from Microsoft time server. On PDC emulator we [...]

Answer Question   |  December 9, 2005  4:57 PM
Availability, Bandwidth, DataCenter, Desktops, Ethernet, Hardware, Interoperability, IPv4, Management, Microsoft Windows, Network protocols, Networking, OS, Security, Servers, Software, SQL Server, TCP, Tech support
asked by:
0 pts.

Transferring a Domain
Hi All, I have a server running on WindowsNT 4.0, we are upgrading to server 2003 on new machine and removing the old machine entirely from network, Could any body tell is there any way of transferring the exisiting users and policies/ entire domain setting to new machine as it is, and not making any [...]

Answer Question   |  December 5, 2005  9:21 AM
Active Directory, Bind, DataCenter, Desktops, DHCP, DNS, Ethernet, IPv4, IPv6, Management, Microsoft Windows, NetBIOS, Networking, Networking services, OS, Security, Servers, SQL Server, TCP
asked by:
15 pts.

CISCO Switch Configuration for DOS Applications on Netware 5.1 SP7 Server
Hi, Our network is composed of the following: 1 CISCO 2970 GIGABIT (24 x 10/100/1000) 6 CISCO 2950 SWITCH (24 x 10/100, 2 x 10/100/1000) 1 HP Proliant ML520 G2 Server with 10/100/1000 NIC CAT 5e Cabling HP Workstations with 10/100/1000 NIC with Windows XP SP2 All CISCO 2950 Switches (Gigabit Port) are connected directly [...]

Answer Question   |  November 30, 2005  12:21 AM
Cisco, Ethernet, Hewlett-Packard, Networking, Novell IPX/SPX, TCP
asked by:
0 pts.

Setting Up VLAN across WAN link for Testing
I am trying to setup a Vlan via a WAN Link. Local End has already 4 VLANs. Remote End doesn’t. Remote end needs to access VLAN id 4 via the WAN link. Local Gateway router = Cisco 3660 Remote Gateway Router = Cisco 3660 Local Switch = Cisco 3750 Remote Switch = Cisco 2924 What [...]

Answer Question   |  December 5, 2005  12:21 AM
Availability, Bandwidth, Cabling, Cisco, Hardware, Hubs, IPv4, Network monitoring, Network protocols, Networking, Performance management, Ping, Routers, Switches, TCP
asked by:
0 pts.

Stop bit problem: USB to Serial Converter attached to motion controller, unable to set for 7-E-2
I have three different USB to Serial converters, one of them an isolated converter from B&B. One brand of motion controller I work on uses EVEN parity / 7 data bits / 2 stop bits as its default. I find that none of my converters will work on the controller in this configuration. If I [...]

Answer Question   |  November 22, 2005  5:36 PM
3Com, Active Directory, ActiveX, Administration, Apache, Automated, Availability, BASIC, Benchmarking, Business Objects, C, Cabling, Cape Clear Cape Connect, Career development, Cisco, Clustering, Cognos, Crystal Reports, Data analysis, Data Junction, Data management and storage, Data mining/analysis, Data warehousing applications, Database, DataCenter, DB2, Dell, Desktop management applications, Desktops, Development, DHCP, Distribution/logistics applications, DNS, Enterprise Desktop, Ethernet, Fault isolation, Fax and print management, FDDI, File, Frame Relay, Functional, H.323, Hardware, Hardware selection and management, Hewlett-Packard, Hewlett-Packard Application Server, Hubs, Hyperion, IBM, Informatica, Information Builders, Interoperability, Lifecycle development, Linux, Lotus Domino, Management, Manufacturing applications, Microprocessors, Microsoft Systems Management Server, Microsoft Windows, Migrations and upgrades, Monitoring, NCR, NCR/Teradata, Network applications management, Network connectivity, Network management software, Network monitoring, Network protocols, Network testing, Networking, Networking services, NIC, Novell IPX/SPX, Oracle, OS, Performance and availability, Performance management, Performance/Load, Ping, Power management, Printers, Programming Languages, Protocol analysis, Remote management, Routers, SAP, SAS Institute, Security, Servers, Software, Software testing, Software testing tools, SPSS, SQL Server, standards, Storage, Switches, Systems management software, TCP, Tech support, Thermal controls
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0 pts.

asked by:
0 pts.

How to begin a thread with C, C++ on Linux
Hi everybody. I’m developing a C program, which uses tcp sockets, but I need it to be multi-thread, on the server side. In the past, I have made that on ms windows, using the beginthread or beginthreadex functions. Can somebody tell me how to create a thread on Linux ? Thanks in advance.

Answer Question   |  October 31, 2005  4:29 PM
C, Enterprise Desktop, Ethernet, Instant Messaging, Linux, Ping, TCP
asked by:
63,535 pts.

HP JetDirect 500X ‘Sleep’ Issues
We currently have 10 sitese, each have a 500X print server running (with current Firmware) and two OkiData 320 printers attached via parallel cable. Each site is connected through Frame-Relay connection (hub/spoke) to our corporate print server. We have one location which seems to experience a ‘sleep’ issue with the JetDirect. If no printing activity [...]

Answer Question   |  October 28, 2005  2:16 PM
Cisco, Frame Relay, Hardware, Network protocols, Networking, Servers, TCP, Tech support
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0 pts.

NTP not functioning – Segmented Management VLAN
I’m configuring a building wide network of layer2 and layer3 ciscos to use NTP but I’m not getting ntp updates from the ntp servers. Drawing a picture of this would have a Collapsed Core of 2 4500s and 2950 Access switches are 2950s setup based on Cisco’s typical building block network diagram. The only deviation [...]

Answer Question   |  October 25, 2005  10:25 PM
Cabling, Cisco, Hardware, Hubs, Network protocols, Routers, Switches, TCP
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0 pts.

HTTP File upload/post Blocking
In this ever expanding world of network security I am seeking a software or appliance to block HTTP file uploads or post. The problem in a nutshell is I cannot block all of the HTML based Email providers. I also cannot block all of the web sites that support HTTP file posting. I am seeking [...]

Answer Question   |  October 17, 2005  10:34 AM
Access control, Application security, backdoors, Browsers, Current threats, Database, Encryption, Exchange, filtering, Firewalls, Forensics, Hacking, human factors, Incident response, Instant Messaging, Intrusion management, Network protocols, Network security, Networking, Secure Coding, Security, Servers, Spyware, SSL/TLS, TCP, Trojans, Viruses, VPN, Web security, Wireless, worms
asked by:
0 pts.

asked by:
0 pts.

Check Connection established on a TCP port from a program?
Is there any way to get the status of a TCP port within a program? We need to monitor a specific port to ensure that a communications link is established, and then send a page to the analyst on call when the communications link goes down. I can view the information with NETSTAT 3 (WRKTCPSTS [...]

Answer Question   |  November 14, 2009  12:23 PM
AS/400, Network monitoring, Networking, TCP
asked by:
0 pts.

hoW TO CALCULATE bANDWIDTH UTILIZATION IN ROUTER
HI ALL HOW TO CALCULATE BANDWIDTH UTILIZATION OF SERIAL PORTS IN ROUTER, NOT USING ANY NMS APPLICATION ,MANUALLY HOW TO CALCULATE . FOR eg: I HAVE 2 MBPS CONNECTION BETWEEN MY OFFICE TO ANTOHER OFFICE , SO I WANT TO CALCULATE BANDWITDH UTILIZATION ANY ONE CAN TELL ME

Answer Question   |  September 23, 2005  1:20 AM
Availability, Bandwidth, Cabling, Cisco, Frame Relay, Hardware, Hubs, Network protocols, Networking, Performance management, Ping, Routers, Switches, TCP
asked by:
0 pts.

asked by:
0 pts.

Windows network problrem but not in all programs
Hi, I have a PC that have network problems from windows. The PC can have acces to network when using programs almost any. I can reach my AS/400 using emulator or VB Programs I can print on network printers. It can send and receive mail (outlook expres), and get to the net using IE and [...]

Answer Question   |  September 15, 2005  4:38 PM
Desktops, Management, Microsoft Windows, Networking, OS, Ping, Security, Servers, Software, SQL Server, TCP, Tech support
asked by:
0 pts.

windows network file sharing and authentication ports
I have a requirement for remote users (non-member windows clients) connected via a MPLS network to connect a network file share. I would like to know which ports I need to open on the firewall for filesharing and active directory authentication? Also I am going to be using the destination ip addresses to control access [...]

Answer Question   |  October 17, 2005  9:26 AM
Firewalls, Forensics, Incident response, Intrusion management, NetBIOS, Network security, TCP, VPN, Wireless
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0 pts.

TCP Badchecksum transmits
We’ve got a small network of 15 computer with one server over TCP/IP (WinXP Pro and W2003 Server). The physical network consists of one main switch with two switches and one hub connected to it. The problem we’re having is that 5 computers on one of the switches suffers from performance degredation and sometimes hangs, [...]

Answer Question   |  September 14, 2005  10:47 AM
Cabling, Ethernet, Hardware, Hubs, IPv4, Network testing, Ping, Protocol analysis, Routers, Switches, TCP
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0 pts.

Network neigbhorhood
Sir, I have a windows 2K advanced server running on HP Proliant ML350 G3. The problem is my network neighborhood does not open quickly. Same problem with control panel. It take a long time to open maybe 45 mins to 1 hour. I have uninstalled all the HP tools but installation takes place only through [...]

Answer Question   |  September 21, 2005  2:10 AM
Access, Active Directory, AS/400, Bind, Database, DataCenter, DB2, Desktops, Development, DHCP, DNS, Exchange, Help Desk, Linux, Lotus Domino, Management, Manufacturing applications, Microsoft Office, Microsoft Windows, MySQL, Network applications management, Network management software, Network monitoring, Network testing, Networking, Networking services, Oracle, OS, Patch management, Performance management, Ping, Remote management, Security, Servers, SQL, SQL Server, TCP, VoIP
asked by:
0 pts.

Port 5007–wsm-server-ssl
I do some work for a small ISP that wires apartment and condominium buildings for high-speed Internet access. One of the tasks I do is to check building routers for signs of unwanted traffic such as P2P (prohibited by the user agreement) and malicious software activity (virus, trojan, etc.). This morning I am seeing a [...]

Answer Question   |  September 16, 2005  12:06 PM
Security, TCP
asked by:
2,015 pts.

Active Directory/DNS problem in Windows 2003 network
I have just upgraded my 2 DC’s to Win2003 (I totally recreated Active Directory and did a clean install). I set the first DC up with DNS which seemed to work fine. I then set the 2nd DC up with active directory integrated DNS. That seemed to work fine too and it populated itself and [...]

Answer Question   |  September 7, 2005  5:38 AM
Active Directory, DataCenter, Desktops, DHCP, DNS, General Directories, Lotus Domino, Management, Microsoft Windows, Network protocols, Networking, Networking services, OS, Security, Servers, Software, SQL Server, TCP, Tech support, Windows, WINS
asked by:
15 pts.