ICF

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ICF

(Internet Connection Firewall) The built-in firewall in Windows XP. It provides a stateful inspection of packets which accepts only responses to requests originated by the user. This will prevent outside requests for data from entering the computer, unless specifically allowed by the user. However, spyware programs are often clandestinely installed in a user's computer which then make seemingly legitimate requests that a stateful firewall will allow responses to.

To turn on ICF, go to the Network Connections control panel and right click the connection (on the right side) that you want to protect. Select Properties, then the Advanced tab and check "Protect my computer..."

In the 2004 release of Service Pack 2 for Windows XP, Microsoft enhanced ICF and renamed it Windows Firewall. Unlike ICF, Windows Firewall is turned on by default. See firewall. See also IFC.
References in periodicals archive ?
Alterations in the expression of genes (MEG3, DNMT1, DNMT3A, DNMT3B, p53, and HOTAIR) after 48 h exposure to DNC (Fig.
Analysis of gene expression of main genes including MEG3, DNMT1, DNMT3A, DNMT3B and reference gene GAPDH in time dependent manner was done in 12 h, 24 h and 48 h under treatment of DNC in HuH-7 and HepG2 cell lines (Fig.
DNMT3B expression might contribute to CpG island methylator phenotype in colorectal cancer.
We measured mRNA levels Svs4, Ltf, Pgr (progesterone receptor), Stat3, Stat5a, DNMT1, DNMT3A, DNMT3B, MeCP2, MBD2, MBD3, HDAC1, and HDAC2 using SYBR green assays (Applied Biosystems, Foster City, CA).
Apart from AS3MT and N6AMT1, we have previously reported evidence that genetic variation in DNA methyltransferases DNMT1 and DNMT3B influences arsenic metabolism efficiency, and similar to N6AMT1, associations with these methyltransferases were weaker than associations with AS3MT variants (Engstrom et al.
DNMT3A, a de novo DNA methyltransferase, establishes the patterns of methylation in early embryonic development, along with DNMT3B, and cooperates with DNMT1 to maintain the methylation of repetitive sequences such as LINE-1 and Alu elements (Jones and Liang 2009).
KEY WORDS: cadmium, DNMT1, DNMT3B, epigenetic, genotype, LINE-1, MLH1, p16, pyrosequencing.
In addition to its effect on SAM availability, arsenic can directly interact with DNMTs and inhibit their activities, Several studies have shown that arsenic exposure leads to a dose-dependent reduction of mRNA levels and activity of DNMTs both in vitro and in vivo, including DNMT1, DNMT3A, and DNMT3B (Ahlborn et al.