Copyright 1996-2012 SHIROUZU Hiroaki All rights reserved.
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Task tray icon
Left Single(or double) click on the icon opens a Send Message window.
Right single click on the icon opens IPMsg menu such as setting,
absence mode, etc.
Send Message Window
If [Seal] is checked, it will be sealed message.
If [Lock] is checked, it will be locked message. The receiver must
use receiver's own
password to open a locked message.
To embed clipboard image
(v3.0 or later), push CTRL-V in editbox.(Max.10 image)
If logging setting is enabled, send/receive images are saved in ipmsg_img sub-folder of logfile folder.
(Because embedded image mechanism use ipmsg file transfer, it requires to open 2425/tcp port)
Select embedded image and show context menu, it can be saved selected image to a file.
To capture display
(v3.3 or later), push camera button or select in the menu that under "refresh" button.
Area specified desktop image (that can be modified by marker) can be pasted to Send Message Window and it can be saved to PNG file.
Send Message Window is minimized at starting to capture, but this behavior can be changed by settings.
To transfer File/Folder
(v2.0 or later), Drag & Drop File/Folder to Send Window.
(or selec right button menu on Send Window)
File/Folder transfer can't be completed until a receiver starts
to download the file. If a sender re-starts IPMSG, the attachment
file information becomes clear, and a receiver will not be able
to download the file.)
Prefix color of the user list
|white||v3.0 level (embedded image, attached files, RSA2048/AES256/SHA1 encryption/sign)|
|light pink||same as white except disabling embedded image|
|light gray||v2.0 level (attached files RSA encryption)|
|light blue||a part of v2.0 level (attached files)|
|dark gray||v1.0 level (basic message communication)|
mark indicates absence mode
The order of Send Message window header item list can be changed
by Drag & Drop. Right click and select "Save List Header" for
Right click on the window and select from the menu: Sort/Filter,
Group Select, Search User Ctrl+F, File Transfer, (Folder)Transfer,
Save List Header, Font Setting, Size Setting, Fix Position, Disp Setting.
Sort/Filter display order priority
Sort priority is from small to large number.
If there are identical priority data, then go to the detail
setting -> approx. level user sort setting
Receive Message Window
Right click on the window and select from the menu: Font Setting,
Size Setting, Fix Position.
If you receive a message with an attachment, then an attachment
button will be displayed. Folder transfer data can't be overwritten.
IP Messenger v3.0 or later, Messaging security have improved.
|Strongness||PublicKey||CommonKey||Signature||Receive Window Title||Log File|
|Strongest||RSA 2048bit||AES 256bit||RSA+SHA-1||Receive Message +++||(RSA2/Signed)|
|Strong||RSA 2048bit||AES 256bit||Nothing||Receive Message ++||(RSA2)|
|Middle||RSA 1024bit||Blowfish 128bit||Nothing||Receive Message +||(RSA)|
|Weak||RSA 512bit||RC2 40bit||Nothing||Receive Message -||(RSA)|
It is used most strong way that is supported by sender and reciever.
UserID is extended with finger print in v3.0 or later. ("uid" --> "uid-<finger_print_hexstr>")
It can be changed detail settings.
Shortcut or etc
1. Ctrl+D ... Boss key (toggle of hide/show windows)
2. Ctrl+RefreshButton ... remain existing members, and refresh
3. ALT+Ctrl+'S'/'R'/ ... Send/Recv Hotkey (need detail settings)
4. ALT+Ctrl+'D' ... Close old-style message-open notification window
5. Ctrl+F ... open search user box in send window
Setting is saved in the following registry key.
(If port number has been set, IPMsg + port number)
When changing your registry number, please re-start ipmsg.
Password for Lock and Seal is saved in registry with encording.
If you forget the password, remove it in the following registry key.
Normally use 2425 port for TCP/UDP. (See 8. Appendices)
Use 2425 port only for UDP with no File(Folder) Transfer.
(These ports should be activated when using firewall software.)
Protocol specification comes with source.(Japanese)
Broadcast messaging happens only at [Start/End], [Absencemode],
[Refresh], [Change 'UserName' or 'GroupName'].
7. WAN settings (Broadcast Settings)
All bits of Host part have to be 1 in the receiver's IP address.
For example, connect to Class C(network 24bit, host 8bit) address
"aaa.bbb.ccc.ddd", broadcast address will be "aaa.bbb.ccc.255".
If network uses subnet, it may not work.
For more detail check TCP/IP books or ask network administrators.
If you have difficulty to connect, especially over two or more
router connection. Set IP addresses independent.
For dialup connection, check [Dialup connection] box on.
When press [Refresh], member list doesn't go off.
8. Member detection or file transfer Problem
IP Messenger use 2425/UDP port for member detection and message communication, and use 2425/TCP port for file and image transfer.
If those port are blocked by OS or Antivirus software, IP Messenger can't detect other member or can't send/receive file or images.
Please open those port.
At startup IPMSG software, you can specify UDP/TCP port number.
IPMSG can run at multiple sessions.
For example, using [ipmsg.exe 2426] command, you can contact only people who are using 2426 port.
You can run as much as you want using different port number.
Using more UDP/TCP port number, then 1024 is recommended.
(Between 10000 - 60000 may be more safer)
For example, Known NFS software uses 2049/UDP.
Ask network administrator
Specifing NIC (for multi NIC environment)
ipmsg.exe [port] /NIC nic_ipaddr
ex) C:\> ipmsg.exe /NIC 192.168.10.100
Command Line support
ipmsg.exe [port] /MSG [/LOG][/SEAL] <hostname or IPaddr> <message>
ex) C:\> ipmsg.exe /MSG /SEAL localhost Hello.
ipmsg-ML is opened. If you want to subscribe for this ML, mail to email@example.com
Any bug report, suggestion and recommendations are welcome.
If you have any question, send to Mailing list.
For these report, please send the following information.
Software Version, Operating System, problem situation, repeatability.
Update libpng (1.5.9 -> 1.5.10)|
Fix hidden button label in classic style.
(It will be the final version that supports Windows2000.)
Support Marker function for captured display image.|
Update libpng (1.5.4 -> 1.5.9) for VU#523889
Show embedded image directly as default.
Support to save selected embedded image to a file via right context menu.
Improve Send Dialog UI.
Show embedded image directly as default, if priority user.|
Fix illegal characters in setting dialog(v3.31 only)
Support to export settings to .reg file.
Fix "Log file" button in settings.
Support display (area specified) capture.|
Support detail settings of balloon notifications.
Update libpng (1.5.2 -> 1.5.4) for VU#819894
Prevent to lost focus in active window when embedded image messsage is received.|
Release 64bit version.
Support select users by user(sended) history.|
Support old-style message-open notification.
Support delayed message-open notification, if desktop window is not activated(ex. screen saver).
Improve unopened message monitor.
Change default behavior to open Send Window by single click.
Support icremental search for userlist (Ctrl+F).|
Change recv/log header format.
Improve send list prefix color.
Improve setting dialog.
Change zip archive to exe installer.
Support embedded image in message.|
Support multi language communication.
Support unopened message monitor.
Support to choose Directed/Limited broadcast for local segment.
Support RSA2048/AES256bit encryption.
Support RSA2048/SHA-1 digital sign/verify.
Support userid extension(public-key fingerprint).
|v2.10||Balloon notification, UTF-8 logging, unify ipmsg.exe for Japanese/English|
|v2.00||File/Folder Transfer function support, Encrypted communication path support.|
|v1.31||English version support(97/09/01)|
|v1.00||Official public version (1996/08/19)|