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Files are modified by users, not IP addresses.<br />
<br />
In case you have logging enabled that shows you when a user logged on from which IP address then you could match the time stamp of the file to that of the logon time.<br />
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But if you have multiple logons at the same with the same user-id (functional use) then this will be impossible.
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Files are modified by users, not IP addresses.

In case you have logging enabled that shows you when a user logged on from which IP address then you could match the time stamp of the file to that of the logon time.

But if you have multiple logons at the same with the same user-id (functional use) then this will be impossible.

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@oamal2001 - Can you elaborate on how the solution you've selected solves your question?
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@oamal2001 - Can you elaborate on how the solution you've selected solves your question?

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I checked when the file last modified , checked who were logged in at that time and matched that time with user connected at that time
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I checked when the file last modified , checked who were logged in at that time and matched that time with user connected at that time

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@oamal2001 - Ok, so you got an answer to which <i>user </i>modified the file. That is an answer to a different question (<i>Who </i>modified ... instead of Which <i>IP </i>modified ...), I suggest that you have this question deleted.
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@oamal2001 - Ok, so you got an answer to which user modified the file. That is an answer to a different question (Who modified ... instead of Which IP modified ...), I suggest that you have this question deleted.

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You are right I needed from the beginning the IP address , but it happen that modification of the file were on a time only one user logged to the system and because I'm not familiar with UNIX administration I did not think about the time of modification.
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You are right I needed from the beginning the IP address , but it happen that modification of the file were on a time only one user logged to the system and because I'm not familiar with UNIX administration I did not think about the time of modification.

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Ok, you've got your answer in the end, I'll just make sure this question is removed from search results. Thanks.
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Ok, you've got your answer in the end, I'll just make sure this question is removed from search results. Thanks.

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Dear Experts,<br />
<br />
Is it possible to know which IP address modified a script file in Solaris?<br />
<br />
Thanks,
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Dear Experts,

Is it possible to know which IP address modified a script file in Solaris?

Thanks,

which IP

Unix is a multitasking, multi-user computer operating system originally developed in 1969 at Bell Labs. Today, it is a modern OS with many commercial flavors and licensees, including FreeBSD, Hewlett-Packard’s UX, IBM AIX and Apple Mac OS-X. Apart from its command-line interface, most UNIX variations support the standardized X Window System for GUIs, with the exception of the Mac OS, which uses a proprietary system.

Unix OS

Servers are computing devices that are similar to desktop computers in that they have the same basic components, but are significantly different in size, configuration and purpose. Servers are usually accessed over a network, and many run unattended, without a computer monitor, input device, audio hardware or USB interfaces. Many servers do not have a graphical user interface (GUI), and are configured and managed remotely. Servers typically include hardware redundancy such as dual power supplies, RAID disk systems, and ECC memory, along with extensive pre-boot memory testing and verification. Critical components might be hot swappable, and to guard against overheating, servers might have more powerful fans or use water cooling.

Server Hardware

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.